--- title: CrowdSec Reviews meta_title: 'CrowdSec Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 88 reviews by the users' company size, role or industry to find out how CrowdSec works for a business like yours. aggregate_rating: rating_value: 4.7 review_count: 88 scale: '5' date_modified: '2026-06-22' parent_category: name: Network Security url: https://www.g2.com/categories/network-security --- # CrowdSec Reviews **Vendor:** CrowdSec **Category:** [Intrusion Detection and Prevention Systems (IDPS)](https://www.g2.com/categories/intrusion-detection-and-prevention-systems-idps) **Average Rating:** 4.7/5.0 **Total Reviews:** 88 ## About CrowdSec CrowdSec is an open-source security stack that detects aggressive behaviors and prevents them from accessing your systems. Its user-friendly design and ease of integration into your current security infrastructure offer a low technical entry barrier and a high-security gain. Once an unwanted behavior is detected, it is automatically blocked. The aggressive IP, scenario triggered and the timestamp is sent for curation, to avoid poisoning & false positives. If verified, this IP is then redistributed to all CrowdSec users running the same scenario. By sharing the threat they faced, all users are protecting each other. ## CrowdSec Reviews ### 1. Crowdsec best endpoint in SMB **Rating:** 5.0/5.0 stars **Reviewed by:** Pramod s. | Cyber Security Expert, Small-Business (50 or fewer emp.) **Reviewed Date:** June 05, 2026 **What do you like best about CrowdSec?** CrowdSec stands out for its community-driven threat intelligence and its collaborative approach to security. It automatically detects malicious activity, such as brute-force attacks, and shares anonymized threat data with the global CrowdSec network so organizations can benefit from a stronger, collective defense. **What do you dislike about CrowdSec?** The effectiveness of certain protections also depends on the quality and volume of community-contributed threat intelligence. In addition, organizations that need robust enterprise reporting, compliance features, or more advanced centralized management may find that some capabilities are not yet as mature as those provided by larger commercial security platforms. **What problems is CrowdSec solving and how is that benefiting you?** This solution has reduced security incidents, eased the workload on our IT team, improved server and application availability, and strengthened our overall security posture—all without requiring significant additional investment in security infrastructure. ### 2. It's a real life-saver in terms of hosting stuff **Rating:** 5.0/5.0 stars **Reviewed by:** Rei B. | Small-Business (50 or fewer emp.) **Reviewed Date:** June 07, 2023 **What do you like best about CrowdSec?** What I love about it is it's open source nature. By parsing logs you can block bad actors just like you would with fail2ban - but with grok patterns which are way easier to write and implement. New parsers are easily constructed and it's really easy to keep a ton of bad traffic out of your network. **What do you dislike about CrowdSec?** A bad thing about it is that you'd have to get a premium subscription in case you want more 'signals' than you share. Mostly ssh and http scenarios do although cover most of your bases. **What problems is CrowdSec solving and how is that benefiting you?** Crowdsec itself saves me a lot of CPU load by keeping nasty IP addresses at bay. I had a 15% load decrease on the hypervisor which may not sound like much. In my case it was around the CPU power that a complete Linux VM would need. ### 3. Fantastic software with affordable options including free. Extremely extensive library of modules. **Rating:** 4.5/5.0 stars **Reviewed by:** Samuel L. | Senior Solutions Consultant, Small-Business (50 or fewer emp.) **Reviewed Date:** June 13, 2023 **What do you like best about CrowdSec?** It's free and given I have two start ups in pre-seed round that is a god send. It is fantastic software that I use on all my servers. From basic ssh bouncers to more complex strategies. **What do you dislike about CrowdSec?** The UI is really nice, but things can get a bit hairy when you start deploying more complicated bouncers. It's no longer a click and deploy experience and many bouncers I use are community submitted so documentation is hit or miss. **What problems is CrowdSec solving and how is that benefiting you?** It is serving as a augmentation to the base firewall and also as an IDS system for all my servers. It is easy to use that dashboard to quickly get a glance at all my nodes and their security status. ### 4. Simple, yet powerful tool. **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Computer & Network Security | Small-Business (50 or fewer emp.) **Reviewed Date:** June 06, 2023 **What do you like best about CrowdSec?** Ease of use: One of the things that CrowdSec does great is its simplicity. Within a few minutes, I can install CrowdSec, configure it and install a bouncer to protect my servers against cyber attacks. Flexibility: CrowdSec is highly flexible in how it can remediate attacks. Many solutions will respond to an attack with a hard firewall block, while firewall blocks are an effective measure, it's false positive prone. CrowdSec allows you to apply the least restrictive remediation against an attack or go as aggressive as you like. Crowdsourced Threat Intelligence: Cyber attacks are getting increasingly sophisticated, easy to carry out and widespread, traditional methods of detecting malicious IP addresses are no longer effective. CrowdSec's solution to this is a collaboration with everybody from hobbyists and small businesses to large-scale enterprises like Google, Microsoft and Netflix. When everybody bands together, we can better understand the threat landscape and introduce strong security controls that work for everybody. **What do you dislike about CrowdSec?** Scenarios mainly focus on scanners/brute force attacks: Many collections and scenarios only protect against brute force attacks, security scanners or bots scanning the internet. I'm not saying not to have scenarios against scanners and brute force attacks, but many of these attacks are harmless for a well-configured and up-to-date server. **What problems is CrowdSec solving and how is that benefiting you?** It's a plug-and-play solution that gives me a great deal of control over responding to cyber threats with next to no false positives. ### 5. Great addition to secure your web applications **Rating:** 4.5/5.0 stars **Reviewed by:** AJ T. | Founder, Digital Marketing Automation Specialist, Small-Business (50 or fewer emp.) **Reviewed Date:** June 06, 2023 **What do you like best about CrowdSec?** Relatively easy to set up on individual servers and provides excellent front-line protection for web applications, including WordPress. It also integrates with self-hosted software like AdGuard Home. **What do you dislike about CrowdSec?** I don't particularly appreciate that they hide their costs if you want more than two IP block lists. I've contacted them several times to get a price but have never heard back. The integration with OPNsense is lackluster and can be improved as there isn't much you can configure via the GUI. **What problems is CrowdSec solving and how is that benefiting you?** CrowdSec blocks "bad actors" IP addresses and helps block anyone trying to brute force their way into your application or server. It provides more confidence in terms of security. ### 6. Has a steep learning curve, imo **Rating:** 3.5/5.0 stars **Reviewed by:** Rajat H. | DevOps engineer, Small-Business (50 or fewer emp.) **Reviewed Date:** March 06, 2023 **What do you like best about CrowdSec?** I've been doing Linux administration and cybersecurity for more than twenty years. I found moving from Fail2Ban to CrowdSec came with a fairly steep learning curve, in my opinion. It lacks a lot of common plugin modules and writing your own requires a lot of moving parts and a new quirky language. For example, OpenVPN is an extraordinarily popular software yet no pre built collection, configuration or bouncer exists for it. I found it was not particularly easy/quick to implement a CrowdSec policy for guarding my OpenVPN ports, unlike with Fail2Ban which can whip up a rule quite quickly and with less files. I dont think the CrowdSec technical documentation is particularly well fleshed out nor easy to follow in comparison with other open source projects across the space. **What do you dislike about CrowdSec?** Not super user friendly to use and implement custom policies for protecting services that do not have a collection, configuration or bouncer available on the CrowdSec Hub **What problems is CrowdSec solving and how is that benefiting you?** It is helping to keep my machine more secure by filtering out pre identified malicious IP addresses. It also works in real time to detect and block active attacks. ### 7. CrowdSec is user friendly tool to protect your servers and devices from common attack vectors. **Rating:** 5.0/5.0 stars **Reviewed by:** Joshua W. | Systems Support Engineer II, Small-Business (50 or fewer emp.) **Reviewed Date:** June 06, 2023 **What do you like best about CrowdSec?** The integration into systems is one of the best features of CrodSec. All you have to do is click "Add Instance" and follow the prompts. In most cases, it's copying a shell command to download and install the agent and bouncer to your server or device. I also love that you can sign up for a free account to get basic coverage to hobbyist servers and devices (like me). **What do you dislike about CrowdSec?** There is nothing that I can think of initially that I dislike about CrowdSec. **What problems is CrowdSec solving and how is that benefiting you?** CrowdSec is helping to secure my Linux servers on Linode, where I host my website and projects. It provides me better piece of mind knowing that common threats are being mitigated without much manual intervention on my part. ### 8. An useful instrument for cybersecurity **Rating:** 4.5/5.0 stars **Reviewed by:** Silvio M. | Founder, Lead Programmer, Computer Software, Small-Business (50 or fewer emp.) **Reviewed Date:** June 08, 2023 **What do you like best about CrowdSec?** - Easy to use. - Many possibilities to integrate it, defining golang bouncer scripts. - Collaborative cyber threat intelligence. **What do you dislike about CrowdSec?** - It should offer Crowdsec Web Panel, also as self-hosted service, on the server where Crowdsec is installed. - Missing the ability to use custom blocklists in Web Panel, with the possibility to enable only two blocklists for free users. - A map summarizing the attacks collected and custom alert filters would be appreciated. **What problems is CrowdSec solving and how is that benefiting you?** It helps me to detect and manage intrusions. ### 9. Easy to use for private and enterprise-users **Rating:** 4.0/5.0 stars **Reviewed by:** Hoerli H. | Small-Business (50 or fewer emp.) **Reviewed Date:** June 06, 2023 **What do you like best about CrowdSec?** It is easy to use and there are already many extensions for the most popular software products. Crowdsec is at home on all the latest operating systems, which makes it easy to manage. And its open source! **What do you dislike about CrowdSec?** Everything is in English, there is no German. Only the most popular products are supported directly. For special programs, you have to become active yourself to fill CrowdSec with data. The free plan for private persons is already limited and the paid plans are too expensive. **What problems is CrowdSec solving and how is that benefiting you?** Securing my private servers from the evil internet. This is very easy to do and provides simple insight into who I am currently being attacked by. This way I can protect myself more effectively. ### 10. Best Plateform for Crowd Security **Rating:** 5.0/5.0 stars **Reviewed by:** Navaneeth K. | Small-Business (50 or fewer emp.) **Reviewed Date:** June 06, 2023 **What do you like best about CrowdSec?** I like the fact that I can connect all of my servers to the centralized dashboard and see what is happening with them all. **What do you dislike about CrowdSec?** I find that some of our services do not have official collections and parsers and we often have to write custom solutions for them. **What problems is CrowdSec solving and how is that benefiting you?** We used to get a lot of SSH bruteforce attempts along with several bogus HTTP requests. We were able to mitigate them using CrowdSec. ### 11. Easy to install and configure crowd powered fail2ban **Rating:** 4.5/5.0 stars **Reviewed by:** Joe L. | Small-Business (50 or fewer emp.) **Reviewed Date:** June 07, 2023 **What do you like best about CrowdSec?** Simple to install and configure. Web gui shows useful stats and lookup for bad ip addresses. Running CrowdSec will help add to the community block list **What do you dislike about CrowdSec?** The most useful blocklist like the VPN list is paywalled. Pricing is a mystery. **What problems is CrowdSec solving and how is that benefiting you?** Blocks most bots and bad actors on all services on the server ### 12. A simple yet brilliant idea. **Rating:** 5.0/5.0 stars **Reviewed by:** Miroslav G. | ☑ Linux/Windows System Administrator, Small-Business (50 or fewer emp.) **Reviewed Date:** June 07, 2023 **What do you like best about CrowdSec?** Simple installation and usage. Supports most applications from the start. A web (cloud) console. Ability to import more IPs to block and export. **What do you dislike about CrowdSec?** The console has little control over the agents. I'd like it to be more usable. Ability yo control more aspects of the agent. Ability to customize block lists (for example ability to download from specific source) **What problems is CrowdSec solving and how is that benefiting you?** Managing blocklists via a simple interface and providing basic security abilities for free. Creating a blocklists for firewalls like pfSense, Fortigate and such. ### 13. A specialized defense system that actually works **Rating:** 5.0/5.0 stars **Reviewed by:** Mark A. | Small-Business (50 or fewer emp.) **Reviewed Date:** March 06, 2023 **What do you like best about CrowdSec?** Crowdsec is unlike any traditional IDS/IPS/EDR - no matter which brand or the pricetag. It's not looking for generic anomalies. It knows exactly what it's looking for in the given application. This results in very low false positives and very accurate defenses. What's more, when it detects something the actor gets blocked globally everywhere. **What do you dislike about CrowdSec?** There are no downsides. CrowdSec really does what it states will do. **What problems is CrowdSec solving and how is that benefiting you?** CrowdSec is like a specialized IDS/IPS/EDR that's not a resource hog and works extremely efficiently and well. Much more productive with improved business performance. ### 14. Great security tool to protect servers and applications. **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Transportation/Trucking/Railroad | Mid-Market (51-1000 emp.) **Reviewed Date:** March 08, 2023 **What do you like best about CrowdSec?** Very effective threat detection beacus eof the vast database of threat intelligence. Easy to use with a user friendly interface. Open source tool which inculdes no cost. **What do you dislike about CrowdSec?** Many false positives in some cases. Cannot integrate with all security tools. Configuration can be a bit complex for non technical users Not a lot of documentation on how to. **What problems is CrowdSec solving and how is that benefiting you?** Detecting malicious traffic and IP's that are classified as malicious by known world indicators. This way we can get a better threat detection and prevent attacks from intruding our network. ### 15. Great host-based IPS **Rating:** 5.0/5.0 stars **Reviewed by:** Alex K. | Senior Linux Systems Engineer, Mid-Market (51-1000 emp.) **Reviewed Date:** March 06, 2023 **What do you like best about CrowdSec?** Easy to install and maintain. Easy to extend scenarios and blocking behavior. "Free" blocks with global blocklist based on everyone's reports. **What do you dislike about CrowdSec?** There is nothing I can say I dislike about crowdsec. **What problems is CrowdSec solving and how is that benefiting you?** Our website was getting lots of bad probing activity, and we occasionally saw DDOS-types attacks specific to some of our content pages. We were able to construct rules and block a lot of bad traffic before our webservers ever had to deal with it. ### 16. Crowdsec is fail2ban enhanced **Rating:** 5.0/5.0 stars **Reviewed by:** Yannick S. | Small-Business (50 or fewer emp.) **Reviewed Date:** March 06, 2023 **What do you like best about CrowdSec?** It's easier to use that fail2ban, lighter, and faster. You can share the ban list across all your servers. And you get the community blocklist. **What do you dislike about CrowdSec?** The tool is great; honestly, there is no genuine issue. **What problems is CrowdSec solving and how is that benefiting you?** Crowdsec helps you to detect and block threats to your services. This reduces the load on the server and increases security. ### 17. Amazing Crowdsourced intelligence from an amazing team. **Rating:** 5.0/5.0 stars **Reviewed by:** Jeroen G. | Small-Business (50 or fewer emp.) **Reviewed Date:** March 06, 2023 **What do you like best about CrowdSec?** I like that their product is open source and appreciate the kind support provided by the staff and the active community, batlling cybercrime in a revolutionary way. **What do you dislike about CrowdSec?** There still is work on the modules and integrations, and if the network get's bigger, attacks wil get detected quicker. **What problems is CrowdSec solving and how is that benefiting you?** Security for my server park. ### 18. Open Source IPS **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Information Services | Small-Business (50 or fewer emp.) **Reviewed Date:** June 06, 2023 **What do you like best about CrowdSec?** The open source community is really amazing and made a community tool for everyone **What do you dislike about CrowdSec?** It's really hard with updated sometimes to make the bouncers work again **What problems is CrowdSec solving and how is that benefiting you?** It is helping me secure my endpoint and get a lot of metrics about the attackers ### 19. Very easy and reassuring **Rating:** 4.5/5.0 stars **Reviewed by:** Tom P. | Small-Business (50 or fewer emp.) **Reviewed Date:** March 06, 2023 **What do you like best about CrowdSec?** Super easy to get setup and provide excellent protection, which can then be further customised. **What do you dislike about CrowdSec?** Very difficult to write and test custom scenarios in a reproducible way. Docs are rather tricky on this subject **What problems is CrowdSec solving and how is that benefiting you?** Sharing intelligence on known threat actors to limit their visibility into my network ### 20. Effective Crowd Sourced Web Application Firewall **Rating:** 4.0/5.0 stars **Reviewed by:** Derek L. | Small-Business (50 or fewer emp.) **Reviewed Date:** March 07, 2023 **What do you like best about CrowdSec?** CrowdSec has great documentation. The installation process is simple and well thought out. **What do you dislike about CrowdSec?** There is no public listing of their premium offering. **What problems is CrowdSec solving and how is that benefiting you?** CrowdSec allows me to reduce the attack surface through its recognition of threat patterns of known vulnerability exploits. ### 21. Easy security **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Computer & Network Security | Small-Business (50 or fewer emp.) **Reviewed Date:** June 06, 2023 **What do you like best about CrowdSec?** Very easy to understand the concept and to use. **What do you dislike about CrowdSec?** The predefined ip list are for premium account. **What problems is CrowdSec solving and how is that benefiting you?** Add a layer of security to the reverse proxy. ### 22. Excellent idea **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Individual & Family Services | Small-Business (50 or fewer emp.) **Reviewed Date:** June 06, 2023 **What do you like best about CrowdSec?** Easy to install agents and bouncers. Crowd blocklist huge advantage **What do you dislike about CrowdSec?** Consolé a bit slow. Agents only identified by hash **What problems is CrowdSec solving and how is that benefiting you?** Block brute force and propping attempts ### 23. Crowdsec is a french and trusted company that is rapidly evolving **Rating:** 5.0/5.0 stars **Reviewed by:** Mathieu H. | Small-Business (50 or fewer emp.) **Reviewed Date:** March 06, 2023 **What do you like best about CrowdSec?** Their teams respond pretty fast when you encounter an issue on github for instance The product allow a lot of usage without having to start paying a tier **What do you dislike about CrowdSec?** The paid tier could be free for home users that share all theirs IOCS with Crowdsec **What problems is CrowdSec solving and how is that benefiting you?** Protect the perimeter using different sources of logs and rules It is mainly used in front of a reverse proxy ### 24. CrowdSec blocks a lot of unwanted traffic early and helps reduce load on my services. **Rating:** 4.5/5.0 stars **Reviewed by:** Andrew P. | Software Development Consultant, Small-Business (50 or fewer emp.) **Reviewed Date:** March 06, 2023 **What do you like best about CrowdSec?** CrowdSec is Open Source, easy to install and monitor and does what it claims. **What do you dislike about CrowdSec?** Some of the bouncers are still in development. **What problems is CrowdSec solving and how is that benefiting you?** CrowdSec enhances my existing protection and blocks a lot of attackers immediately before they have a chance to probe my services. That also reduces the load on my servers. ### 25. Crowdsec is a no-brainer, you need it **Rating:** 5.0/5.0 stars **Reviewed by:** Eric D. | Implementation Consultant, Small-Business (50 or fewer emp.) **Reviewed Date:** January 24, 2023 **What do you like best about CrowdSec?** Easy to install, easy to setup, works out of the box and maintenance free, unlike fail2ban **What do you dislike about CrowdSec?** Setup the clients is a bit more finicky, I did only nginx at the moment **What problems is CrowdSec solving and how is that benefiting you?** It blocks common exploits and script kiddies, and also well known IP of attackers, shared by the community ### 26. Great company with Great future **Rating:** 5.0/5.0 stars **Reviewed by:** Christian I. | Technical consultant, Mid-Market (51-1000 emp.) **Reviewed Date:** October 18, 2022 **What do you like best about CrowdSec?** There Team was high energy and got across who they were, very well **What do you dislike about CrowdSec?** Honestly I don't have anything negative to say about this group **What problems is CrowdSec solving and how is that benefiting you?** I met this team at blackhat USA 2022 ### 27. very useful, well designed and efficient **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Defense & Space | Mid-Market (51-1000 emp.) **Reviewed Date:** June 09, 2022 **What do you like best about CrowdSec?** The best part is the capability to protect your infrastructure with a blocklist curated by the community. It runs really efficiently and has no problem to scale. The monitoring of the alerts on the CrowdSec Console provides an integrated overview of the alerts on all your instances, in a very intuitive manner. When you have a doubt, you can also add comments, and find more about what the community tells about an IP address. The system is really well designed **What do you dislike about CrowdSec?** Nothing in particular, the tool is well designed... Maybe the work art around the alpaca is a bit too much **What problems is CrowdSec solving and how is that benefiting you?** We managed to get rid of IPs spamming our server with an efficient remediation system. It has replaced Fail2Ban on our existing infrastructure and gave us in addition a well-thought monitoring framework. ### 28. The missing component in the opensource security landscape **Rating:** 5.0/5.0 stars **Reviewed by:** Solvik B. | Head of Infrastructure and Security, Mid-Market (51-1000 emp.) **Reviewed Date:** October 29, 2021 **What do you like best about CrowdSec?** Crowdsec is an excellent software that you can seamlessly install on thousands of servers in different environments. That's how easy it was to deploy in ours, thanks to the language behind Go. It solved a major problem that our old IDS tools were suffering, false positives, dynamic updates, and above all: integration with our other tools. Thanks to the recent API and existing integrations, we've been able to leverage all of Crowdsec features within our internal infrastructure **What do you dislike about CrowdSec?** On the technical part, nothing is missing and the team is great for implementing features new customers require. On the other hand, our organization is waiting for paid support, so we can leverage the knowledge of Crowdsec technical team and improve our business integrations. **What problems is CrowdSec solving and how is that benefiting you?** We've finally fixed our main goal: leveraging our IDS data in dozens of opensource software thanks to Crowdsec API without the fuss of creating and maintaining the missing glue between proprietary components and OSS ones. **Official Response from Jean Devaux:** > Thanks for your support Solvik! ### 29. A fantastic product everyone must try to safegurad your servers and websites **Rating:** 5.0/5.0 stars **Reviewed by:** Indranil K. | Linux System and Security Administrator, Mid-Market (51-1000 emp.) **Reviewed Date:** April 29, 2022 **What do you like best about CrowdSec?** The Installation and configuration part which is dead easy **What do you dislike about CrowdSec?** Nothing as such to dislike as such since it is a complete software now **Recommendations to others considering CrowdSec:** A fantastic product everyone must try to safegurad your servers and websites **What problems is CrowdSec solving and how is that benefiting you?** Through this application, I am protecting my websites as well as my applications ### 30. Smart, efficient & crowd-powered cybersecurity protection for our servers **Rating:** 5.0/5.0 stars **Reviewed by:** Gabor P. | CPO/CMO, Small-Business (50 or fewer emp.) **Reviewed Date:** August 03, 2021 **What do you like best about CrowdSec?** As soon as we installed Crowdsec, we were able to monitor the constant sniffing and brute force attacks on our wordpress setup and admin page authentication. Once the wordpress bouncer installed, the suspicious IPs were presented with a captcha page or baned depending on the configured policy. Crowdsec provided instant value and drastically reduced the suspicious activity on our servers. Big up also to the crowdsourced IP database that allows to block IPs way before they start lurking around. Happy to be part of the IP crowd and even the balance in the fight against hackers. **What do you dislike about CrowdSec?** Nothing specific, the product works & behaves as advertised. **What problems is CrowdSec solving and how is that benefiting you?** Crowdsec helps us to mitigate and block the constant attacks that we have on our wordpress servers. Most attacks are automated scripts from script kiddies but one is never too careful and as our business is growing, it is essential to secure our activity and business as much as possible. Crowdsec acts as an early-detection and warning system, identifies all suspicious IP behaviors and blocks them according to predefined scenarios we created. The crowdsourced malicious IP database is also a considerable asset to ban poisonous IPs even before they start lurking around our servers. **Official Response from Jean Devaux:** > Hi Gabor, Thank you, your feedback is much appreciated. ### 31. Great approach to counter malevolent attacks using shared signals from the Internet Crowd **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Computer Software | Small-Business (50 or fewer emp.) **Reviewed Date:** August 10, 2021 **What do you like best about CrowdSec?** The deployment of the product is seamless, it's 100% Free Software, and the community is welcoming and reactive **What do you dislike about CrowdSec?** Not much, at the moment, the alerting and event decisions are polling-based. It could be more efficient to have an event-based mechanism to act after alerts are raised directly. Also, the documentation is lacking some details and could be improved. **What problems is CrowdSec solving and how is that benefiting you?** We could counter a multitude of attacks at different levels of OSI stack (tcp, http, etc.) from changing and malevolent IPs. Unethical traffic is drastically reduced, reducing the total bandwidth waste on a network. ### 32. A very creative approache to security **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Consumer Services | Small-Business (50 or fewer emp.) **Reviewed Date:** October 22, 2021 **What do you like best about CrowdSec?** CrowdSec utilizes information regarding real security incidents to create a platform where every server can benefit from that knowledge and better protect themselves from intrusion. It's easy to install, and very straight-forward. CrowdSec itself keeps an eye on things, and bouncers take action when an incident is encountered. Can greatly enhance server security. **What do you dislike about CrowdSec?** I would like to see additional bouncers created, but the firewall bouncer is versatile enough to be a great start and works with many scenarios. **What problems is CrowdSec solving and how is that benefiting you?** CrowdSec is a great solution for being part of overall security hygiene, and since it's so easy to install, it adds another layer of security very quickly. The fact that it enhances security and is installed in less than 5 minutes, I'd say it's a great security enhancement without taking up too much time to implement. ### 33. An excellent collaborative cybersecurity solution **Rating:** 5.0/5.0 stars **Reviewed by:** Olivier B. | Administrateur systèmes et réseaux, Small-Business (50 or fewer emp.) **Reviewed Date:** July 14, 2021 **What do you like best about CrowdSec?** Efficiency: With Crowdsec, we benefit from community blocklists which allows us to be proactive in terms of protecting our servers. Ease of installation and configuration: installation and maintenance are facilitated by the repositories (Debian, Ubuntu, etc.). The configuration files are clear and even intuitive. Ease of use: Being able to configure Crowdsec in Client / Server mode makes it possible to monitor alerts and decisions from a single console, thus avoiding us having to connect to each server. **What do you dislike about CrowdSec?** Currently I have not encountered a problem with this solution. Therefore, it is difficult for me to say what I don't like. If I had to quibble, I would say autocompletion would be a plus for the cscli command. **What problems is CrowdSec solving and how is that benefiting you?** Concretely, Crowdsec detected and blocked 961 malicious IPs in about 40 days, in addition to the 6,000 IPs proactively blocked by community blocklists. **Official Response from Jean Devaux:** > Hi Olivier, Thanks for sharing your thoughts, we appreciate your feedback and are happy to have you as a community member! ### 34. Great for collaboration **Rating:** 3.0/5.0 stars **Reviewed by:** Alicia C. | Director of Product Management, Small-Business (50 or fewer emp.) **Reviewed Date:** February 01, 2022 **What do you like best about CrowdSec?** It's free and open source, easy to install and navigate. **What do you dislike about CrowdSec?** Explain how/why it's free given the increase in cyber criminals, it's hard to believe this is real. **What problems is CrowdSec solving and how is that benefiting you?** Cyber security and collaboration. ### 35. The fail2ban on steroids that the infosec community was awaiting for in 2021 **Rating:** 4.0/5.0 stars **Reviewed by:** William G. | Software and network engineer, Small-Business (50 or fewer emp.) **Reviewed Date:** August 11, 2021 **What do you like best about CrowdSec?** It is written in Go, meaning it is really fast and can be deployed everywhere without having to install dependencies which could be hacked to craft a supply chain attack. By having a single binary we can check signature easily. A detection can happens on a single machine and all the other machines that have a direct or indirect contact with that machine being under attack can take decisions as well. We have thus some kind of propagation of decisions which is quite welcome in this regard. If some people are willing to induce false positive results into the IP database, there is a consensus chamber and a system of ranking allowing to avoid this as well. By default, with the community plan, everyone is participating in the IP reputation. An attack being avoided at some location can help another user from another country. We clearly see the team has been tinking to the problem in a wholistic manner. On the ecosystem side, we clearly see we won't have any risk of abandonware as the business model is allowing to make the product sustainable without restraining the community. Corporate envs can buy the ability to monitor a huge amount of Crowsec agents, have a SaaS offer and also have the ability to keep their IP reputation private. Plus the team is super great to discuss with and easily reachable via a chat system, like we used to use in 2021. **What do you dislike about CrowdSec?** While Crowsec is working in IPv6 environments, the IPv6 and IPv6-only environments have not been widely tested, but it is a matter of time before this happens and the docs are updated. **What problems is CrowdSec solving and how is that benefiting you?** When an attack has been blocked on one machine, we can preventively block that attack on all the other machines as well. Having the ability to extend the filters to our needs is a big plus, meaning is a filter is not available, we can write/extend our own. ### 36. Go for collaborative security **Rating:** 5.0/5.0 stars **Reviewed by:** Roman K. | R&D Director, Small-Business (50 or fewer emp.) **Reviewed Date:** October 23, 2021 **What do you like best about CrowdSec?** Why wait until an attacker starts remote scanning your services if information about their malicious IPs may be already available? By using the Crowdsec solution, you share information about attacks against your networks and use Crowsec community knowledge to protect your services. If you already have used Fail2Ban - you may describe Crowsec solution as distributed, collaborative Fail2Ban. By using this solution, you participate in everyone's security with other security teams. Grok patterns, YAML scenarios make this solution quite easy to implement and maintain. **What do you dislike about CrowdSec?** In my opinion - there is nothing to dislike. It works. **What problems is CrowdSec solving and how is that benefiting you?** It is used for blocking aggressive IP on production platforms. ### 37. Incredibly easy and powerful, covers so many types of tech assets **Rating:** 5.0/5.0 stars **Reviewed by:** Franck V. | Lead dev and CTO, Small-Business (50 or fewer emp.) **Reviewed Date:** July 15, 2021 **What do you like best about CrowdSec?** With the Crowdsec solution, you can benefit from the community crowdsourcing of threats. In a few months thay already grew to 3500 stars on GitHub. The adoption seems endless. It already covers many types of tech assets. Linux distros like Debian/Ubuntu, CentOs, Amazon Linux, Debian, FreeBSD are covered. They have a Docker image avaible. You can protect AWS or Google Cloud Platform servers, but also a WordPress web site. I can also monitor what is going on with their monitoring (observability) integrations. Finally, it is the best fail2ban alternative as an up-to-date solution using today's technologies. Overall the developer experience is outstanding. **What do you dislike about CrowdSec?** I can't install the CrowdSec solution on all my existing IT assets yet (but I have a very high diversity of them, and CrowdSec introduces new solutions every month). Also, I find the expected awareness of cybersecurity for new users is rather high. Overall there is not much negative to say. **Recommendations to others considering CrowdSec:** They have lots of resources on the web, as well as tutorials. **What problems is CrowdSec solving and how is that benefiting you?** I protect my exposed web servers (back end installed and dockerized and exposed to the web), web applications and API managers with their solutions. I can monitor what is going on with their monitoring (observability) integrations on Google Cloud Logging. **Official Response from Jean Devaux:** > Hello Franck, Many thanks for sharing this very detailed feedback, it means a lot to us. We do cover quite a lot of Linux distributions now which makes the installation process much easier. We are working on making the product compatible with as many IT assets as possible. You can already use it to protect servers, containers, VMs, services, apps, sites. More to come very soon! ### 38. CrowdSec has really changed the game for us. Our networks at JoshWho TV **Rating:** 5.0/5.0 stars **Reviewed by:** Josh D. | Founder, Small-Business (50 or fewer emp.) **Reviewed Date:** July 05, 2021 **What do you like best about CrowdSec?** Once we deployed CrowdSec on our servers, all the DDoS attacks were mitigated. We were under attack constantly, and manually banning the IP addresses was getting more complicated every day because the attacks kept getting more significant. CrowdSec made it easy to figure out all the individual IP addresses and get them blocked immediately, bringing our networks back to being stable. **What do you dislike about CrowdSec?** So far haven't found anything I do not like about it yet. Works great **Recommendations to others considering CrowdSec:** I recommend All Network Admins and Webhosting companies should use Crowdsec to help better the world's internet and help stop the bot farms from taking over. **What problems is CrowdSec solving and how is that benefiting you?** Stopping DDoS attacks and Exploits attempts on my servers **Official Response from Jean Devaux:** > Hi Josh, Thank you, the team is glad to have you on board! ### 39. IT Manager **Rating:** 5.0/5.0 stars **Reviewed by:** Rahul C. | IT Manager, Mid-Market (51-1000 emp.) **Reviewed Date:** February 01, 2022 **What do you like best about CrowdSec?** Private cloud and data storage backup. etc.. **What do you dislike about CrowdSec?** Servers, multi-cloud devices, and networking, etc. **Recommendations to others considering CrowdSec:** Awesome and very useful. **What problems is CrowdSec solving and how is that benefiting you?** I like in CrowdSec to build up a new security project designed to protect servers, services, containers, or virtual machines exposed on the internet. ### 40. Good solution for protecting your infraescture from intruders **Rating:** 4.5/5.0 stars **Reviewed by:** Jose Manuel O. | Sofware engineer, Information Technology and Services, Mid-Market (51-1000 emp.) **Reviewed Date:** August 03, 2021 **What do you like best about CrowdSec?** The main advantage of this tool is that it feeds on different sources to create a good combination of firewall and intrusion detection systems. It is capable of monitoring any threat that may reach your network in the form of attack or malware using techniques based on threat intelligence. **What do you dislike about CrowdSec?** This is a novel solution that needs to improve specific details, for example, the installation process and usability. It would also be interesting if it were compatible with different platforms. **What problems is CrowdSec solving and how is that benefiting you?** The solution can be applied to different scenarios, from detecting traffic that comes from malicious IP addresses to seeing various types of denial of service attacks. For example, if you need to filter specific traffic that arrives from IP addresses with malware, this application is perfect for detecting this use case. **Official Response from Jean Devaux:** > Hi Jose, Thanks for sharing your feedback. We are working tirelessly to make installation processes and usability always more seamless. With recently released packages, it should already be much easier. When it comes to platform integration, more to come very soon too! ### 41. innovative and very promising project **Rating:** 5.0/5.0 stars **Reviewed by:** Jérôme P. | Formateur, Enterprise (> 1000 emp.) **Reviewed Date:** October 20, 2021 **What do you like best about CrowdSec?** open-source, innovative, proactive and a very good technical team. Available on very much system.This **What do you dislike about CrowdSec?** I do not see what could not please me in this project. **What problems is CrowdSec solving and how is that benefiting you?** This project allows me to detect attacks and protect several assets while reacting globally against these attacks without disrupting the business. ### 42. Firewall by the Crowd for the crowd **Rating:** 5.0/5.0 stars **Reviewed by:** Joseph C. | Technical Consultant, Enterprise (> 1000 emp.) **Reviewed Date:** July 20, 2021 **What do you like best about CrowdSec?** The mission of the product is to provide a free firewall for the community, and it is feature-packed and tutorials are easy to follow to install and configure the product. It provides protection as well as threat intelligence. **What do you dislike about CrowdSec?** It is currently available only for the Linux platform and not for windows evrionment. **Recommendations to others considering CrowdSec:** Crowdsec would meet and exceed your expectations from an EDR tool. Give it a try and experience for your selves the threat landscape and the detection capabilities. **What problems is CrowdSec solving and how is that benefiting you?** It provides for a crowd-based security and the ability to configure once and not worry about reconfiguration. The agents are quick, and we can improve the security posture of Linux environments much better. Advanced threat intelligence in a world filled with cyber-attacks, it provides the peace of mind we need. **Official Response from Jean Devaux:** > Hello Joseph, We are happy to read that our tool provides you with security and peace of mind. Making the product compatible with more OS such as Windows and MacOS is on our top-priority list, and all of this will be possible within a few months from now. We will make sure to share the news widely at release time! ### 43. Adding security layers to public facing servers at scale **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Enterprise (> 1000 emp.) **Reviewed Date:** June 29, 2021 **What do you like best about CrowdSec?** Crowdsec is very fast to add to existing servers, smooth wizard (or silent install) that will enable protections for the workloads at install time, for example ssh/myql protection, simple install to add bouncers and additional watchers, this will help end customers to have a more secure server while still allowing public access **What do you dislike about CrowdSec?** Nothing to dislike about CrowdSec. The team is straightforward to work with, solid documentation and growing features set at a high frequency **What problems is CrowdSec solving and how is that benefiting you?** Getting to actionable data, CrowdSec will filter out know bad actors and keep expanding the block lists, and given we can see what's being blocked we can use data to search for places where the IP might have succeeded, and with SIEMS being busy removing hundreds of thousands of lines of noise will enable teams hunting in the log files to hunt more efficient ### 44. After discovering Crowdsec, I can hardly imagine a world without it **Rating:** 4.5/5.0 stars **Reviewed by:** Sacha M. | CTO, Enterprise (> 1000 emp.) **Reviewed Date:** October 25, 2021 **What do you like best about CrowdSec?** Crowdsec allows you to block a list of malicious IPs, updated in real time, and fed automatically by the analysis of your logs but also by the community. And it's free and open source! **What do you dislike about CrowdSec?** Not much! As a growing open source technology, it's developing very quickly... so you have to keep an eye on it to not get left behind. **What problems is CrowdSec solving and how is that benefiting you?** I can mitigate bots attacks and crawlers traffic by defining specific and complex rules, and avoiding false positives. **Official Response from Jean Devaux:** > Thank you for being part of our community Sacha! ### 45. Real time enterprise tool that gives you clear metrics with details **Rating:** 4.5/5.0 stars **Reviewed by:** Vincent A. | Manager, Application Architect, Enterprise (> 1000 emp.) **Reviewed Date:** February 01, 2022 **What do you like best about CrowdSec?** Comprehensive information across enterprise platform **What do you dislike about CrowdSec?** I would say the downtime it requires to clear payment issues **What problems is CrowdSec solving and how is that benefiting you?** The precise ability to detect actual intrusion to machine **Official Response from Jean Devaux:** > Hi Vincent. Thank you so much for your review. Our tool is open source and free, hence no required payment. ### 46. Crowdsec - High Performance Multilayer Security **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Telecommunications | Small-Business (50 or fewer emp.) **Reviewed Date:** August 03, 2021 **What do you like best about CrowdSec?** Crowdsec is best suit to run seamlessly on virtual machines, bare-metal servers, containers or can be called directly from your code through API. It is an open-source end-point detection and response software. **What do you dislike about CrowdSec?** Although being a good product, it is lessly marketed. It needs to be more brought to the open source market. There are more similar products which are given more push.. Also crowdsec currently cannot be put on all kinds of IT hardware. **Recommendations to others considering CrowdSec:** This product is highly recommended considering its features and ease of use. It also open-source and gives lot of advantages when working with APIs. **What problems is CrowdSec solving and how is that benefiting you?** Crowdsec provides open-source, free, security engine which helps to block and detect attacks depending on security logs. Crowdsec then shares the address details (IP address details) to the larger community. It can be put on web servers which are frequently exposed to frequent DDOS attacks, etc. Easy usage - It can be deployed and alerts can be monitored from a single console **Official Response from Jean Devaux:** > Hi there. Many thanks for your comment. We are doing our best to make our product as visible as possible to open-source communities and help the greater number with their security. We are working to find new ways to spread the word continuously. When it comes to hardware integration, it's a wide topic and we are taking steps to make it more compatible. ### 47. THE cybersecurity solution for DevOps **Rating:** 5.0/5.0 stars **Reviewed by:** Thomas S. | CEO, Small-Business (50 or fewer emp.) **Reviewed Date:** July 30, 2021 **What do you like best about CrowdSec?** It allows DevOps to improve security automation A tool that you can "fire & forget" The open-source model **What do you dislike about CrowdSec?** I cannot comment here, nothing to dislike so far. **Recommendations to others considering CrowdSec:** Open-source. It provides additional security. It would be a shame not to take advantage of it. The larger the community, the more relevant the tool will be. **What problems is CrowdSec solving and how is that benefiting you?** I can plug the solution and let it do its job without having to worry. It protects my sites very efficiently. ### 48. Collaborative security at its best **Rating:** 5.0/5.0 stars **Reviewed by:** Manuel D. | CEO, Small-Business (50 or fewer emp.) **Reviewed Date:** July 04, 2021 **What do you like best about CrowdSec?** What I like about Crowdsec is how easy it is to set up the solution. The documentation is well done, and the tool is open source. The collaborative aspect is essential because it allows better prevention of security risks. Moreover, the local API and the bouncers' mode of operation make the tool very flexible for any project. **What do you dislike about CrowdSec?** I think it still lacks a bit of diversity on bouncers and ready-made collections. But that doesn't block anything as everyone is free to create their bouncers and collections. **What problems is CrowdSec solving and how is that benefiting you?** With Crowdsec, I solved 2 types of problems: 1/ The automation of the blocking of malicious attacks and IPs. 2/ Anticipation of attacks thanks to crowdsourcing. So a time saver for me and a great security for my server. **Official Response from Jean Devaux:** > Hi Manuel, We appreciate your feedback. We, as well as the user community, keep releasing new bouncers and collections which can be found on our Hub. Much more will be added in the coming weeks and months! ### 49. The best tool for safeguard your Data. **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Mid-Market (51-1000 emp.) **Reviewed Date:** October 21, 2021 **What do you like best about CrowdSec?** One of the best end to endpoint security solution by providing multipayer protection to protect your data and business. Ease of use, we don't need anyone certified who can run this for you. You can run it yourself and utliise all the benefits easily. Great analytics capabilities for the decision making purpose. **What do you dislike about CrowdSec?** Everthing has pro and cons but I think I dont have one for this. May be a better UI. **Recommendations to others considering CrowdSec:** Great security tool to avoid attacks and save your data, ease of use so you can save money **What problems is CrowdSec solving and how is that benefiting you?** End-to-end protection to avoid Ransome attacks.started using recently. Benefits have been tremedous. easy to install wihtour prior knowledge. ### 50. A real protection for my servers **Rating:** 5.0/5.0 stars **Reviewed by:** Mickael O. | Co-fondateur, Small-Business (50 or fewer emp.) **Reviewed Date:** July 06, 2021 **What do you like best about CrowdSec?** I used to love Fail2ban and I love even more what the team has been able to achieve with CrowdSec. It is easy to install and deploy. The mitigation part through bouncers, standalone software pieces, is also very handy and can be integrated within your applicative stacks. Also, native packages are now available for most platforms (Debian, Ubuntu, RHEL, CentOS etc). Not to mention that you can access it for free. A great way to strengthen your security in a blink of an eye. **What do you dislike about CrowdSec?** Nothing, I love it all. The team is easy to reach and the tool is working extremely well. **What problems is CrowdSec solving and how is that benefiting you?** I use it to protect my servers and sites against bad behaviors and pretty much all kinds of attacks **Official Response from Jean Devaux:** > Thanks Mickael! ## CrowdSec Discussions - [What is CrowdSec used for?](https://www.g2.com/discussions/what-is-crowdsec-used-for) - 1 comment - [View CrowdSec pricing details and edition comparison](https://www.g2.com/products/crowdsec/reviews?section=pricing&secure%5Bexpires_at%5D=2026-06-24+17%3A38%3A47+-0500&secure%5Bsession_id%5D=a60393a2-332d-450e-aba1-8f5bbb282827&secure%5Btoken%5D=d1582209e0f478c54571d041771999e17ee988c095d3eef180414ab996952764&format=llm_user) ## CrowdSec Features **Prevention** - Intrusion Prevention - Firewall - Security hardening - Cloud Data Protection **Administration** - Policy Management - Logging and Reporting - Application Gateway - Concurrent Sessions **Agentic AI - Firewall Software** - Autonomous Task Execution - Adaptive Learning **Services - Endpoint Detection & Response (EDR) ** - Managed Services **Orchestration** - Security Workflow Automation - Deployment **System Control** - Web Control - Application Control - System Isolation **Monitoring** - Behavior Monitoring - Observability **Detection** - Intrusion Detection - Security Monitoring - Anti-Malware / Malware Detection **Functionality** - Virtual Private Network (VPN) - Antivirus - URL Filtering - Availability **Automation** - Workflow Mapping - Workflow Automation - Automated Remediation - Log Monitoring **Information** - Proactive Alerts - Malware Detection - Intelligence Reports **Vulnerability Prevention** - Firewall - Malware Detection **Protection** - Runtime Protection - Workload Protection - Network Segmentation **Administration** - Compliance - Administration Console - - API / integrations **Monitoring** - Load Balancing - Continuous Analysis - Intrusion Prevention - Intrusion Detection **Orchestration** - Security Orchestration - Data Collection - Threat Intelligence - Data Visualization **Personalization** - Endpoint Intelligence - Security Validation **Security Management** - Incident Reports - Security Validation - Compliance **Response** - Alerting - Performance Baselin - High Availability/Disaster Recovery **Generative AI** - AI Text Summarization **Generative AI** - AI Text Summarization **Generative AI** - AI Text Summarization - Generate Attack Scenarios - Generate Threat Detection Rules - Generate Threat Summaries **Artificial Intelligence - Firewall** - AI Firewall **Agentic AI - Intrusion Detection and Prevention Systems (IDPS)** - Autonomous Task Execution - Proactive Assistance **Agentic AI - Threat Intelligence** - Autonomous Task Execution - Multi-step Planning - Proactive Assistance - Decision Making ## Top CrowdSec Alternatives - [CrowdStrike Falcon Endpoint Protection Platform](https://www.g2.com/products/crowdstrike-falcon-endpoint-protection-platform/reviews) - 4.6/5.0 (413 reviews) - [Netgate pfSense](https://www.g2.com/products/netgate-pfsense/reviews) - 4.7/5.0 (318 reviews) - [Sophos Endpoint](https://www.g2.com/products/sophos-endpoint/reviews) - 4.7/5.0 (788 reviews)