Top Free Bot Detection and Mitigation Software - Page 2

How Many Bot Detection and Mitigation Software Products Does G2 Track?

Total Products under this Category: 115

Category Stats (Sep 2026)

  • Average Rating: 4.54/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Shield (+0.63%) - Among all products in this category, Shield recorded the largest rating increase compared to last month

Last updated: September 29, 2026

How Does G2 Rank Bot Detection and Mitigation Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 4,200+ Authentic Reviews
  • 115+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Bot Detection and Mitigation Software

G2 Grid® for Bot Detection and Mitigation Software plotting products by satisfaction and market presence

Highlighted products: Cloudflare Application Security and Performance, HUMAN Sightline Cyberfraud Defense, Fingerprint, DataDome, Google Cloud reCAPTCHA Enterprise, Appdome, Akamai Bot Manager, and Azion.

Underlying data: [Grid® JSON](https://www.g2.com/categories/bot-detection-and-mitigation/grids.json?focus%5B%5D=cloudflare-application-security-and-performance&focus%5B%5D=human-sightline-cyberfraud-defense&focus%5B%5D=fingerprintjs-fingerprint&focus%5B%5D=datadome&focus%5B%5D=google-cloud-recaptcha-enterprise&focus%5B%5D=appdome&focus%5B%5D=akamai-bot-manager&focus%5B%5D=azion)

Opticks

Opticks is a digital marketing fraud detection and prevention platform trusted by CEOs, marketing leaders, growth teams, and agencies to protect ad budgets and ensure campaign performance. In an era where invalid traffic, click fraud, and bot activity can distort marketing metrics, Opticks provides accurate, actionable insights to help teams make data-driven decisions with confidence. The platform integrates with PPC campaigns, social media advertising, programmatic channels, and other digital marketing tools, giving users a unified view of traffic quality. With real-time monitoring, automated negative audience creation, and detailed analytics dashboards, Opticks makes it easy to identify and block fraudulent activity before it impacts results. By using Opticks, marketing teams can maximize ROAS, reduce wasted spend, and optimize campaigns based on reliable data. Agencies and networks benefit from the ability to demonstrate transparency and effectiveness to clients, strengthening trust and credibility. Beyond detection, Opticks supports strategic decision-making through traffic quality trends, benchmark analysis, and proactive recommendations. The platform is designed for high-growth teams that need to scale campaigns efficiently while maintaining clean, trustworthy data. Opticks empowers marketers to focus on growth, acquisition, and performance while confidently mitigating the risks associated with ad fraud and invalid traffic. With a commitment to innovation and reliability, Opticks continues to evolve its features and integrations to meet the demands of modern digital marketing.

Average Rating: 4.7/5.0

Total Reviews: 16

How Do G2 Users Rate Opticks?

  • Has the product been a good partner in doing business?: 9.8/10 (Category avg: 9.3/10)
  • Quality of Support: 9.4/10 (Category avg: 9.1/10)
  • Ease of Admin: 9.6/10 (Category avg: 8.9/10)

Who Is the Company Behind Opticks?

  • Seller: opticks
  • Year Founded: 2018
  • HQ Location: Barcelona, Catalu√±a / Catalunya
  • Twitter: @Opticks_protect
    231 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    20 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Marketing and Advertising
  • Company Size: 56% Small, 44% Medium

What Do G2 Reviewers Say About Opticks?

AI-generated summary from verified user reviews

Pros
  • Users value the effective fraud detection of Opticks, enabling clear insights and trusted partnerships in PPC campaigns.
  • Users appreciate the supportive customer service of Opticks, always ready to assist with ad fraud detection needs.
  • Users value the data accuracy of Opticks, enabling clear insights into advertising fraud and partner performance.
  • Users appreciate the clear insights from Opticks, enhancing their ability to combat advertising fraud effectively.
  • Users value the detailed insights from Opticks, enabling them to effectively tackle advertising fraud and optimize partnerships.

What Are Recent G2 Reviews of Opticks?

What Are G2 Users Discussing About Opticks?

F5 Distributed Cloud Bot Defense

Bot attacks are difficult to stop—criminals retool to bypass defenses, rapidly solving CAPTCHAs and mimicking human behavior. To stay ahead of bots, F5 Distributed Cloud Bot Defense (Formerly Shape Security) uses AI to achieve long-term efficacy and zero customer friction. The solution helps to achieve effective bot protection based on analysis of devices and behavioral signals that unmask automation. This gives users the advantage of a network effect as the platform adapts to retooling attempts across thousands of the world’s most highly trafficked apps. XC Cloud Bot Defense protects against a broad set of bot-based attacks including account takeover, carding, inventory hoarding, gift card bots, and scrapers.

Average Rating: 4.5/5.0

Total Reviews: 22

How Do G2 Users Rate F5 Distributed Cloud Bot Defense?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 9.3/10)
  • Quality of Support: 8.2/10 (Category avg: 9.1/10)
  • Ease of Admin: 7.8/10 (Category avg: 8.9/10)

Who Is the Company Behind F5 Distributed Cloud Bot Defense?

  • Seller: F5
  • HQ Location: Seattle, Washington
  • Twitter: @F5Networks
    1,385 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    6,247 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Information Technology and Services
  • Company Size: 48% Large, 39% Medium

What Are Recent G2 Reviews of F5 Distributed Cloud Bot Defense?

What Are G2 Users Discussing About F5 Distributed Cloud Bot Defense?

GeeTest Captcha

GeeTest Captcha is a CAPTCHA and bot management solution. It is used to protect websites, mobile apps, and APIs by identifying attacks from automated bots, including Account Takeover (ATO), Credential Stuffing, Web Scraping, and fake registrations. It has been developing human-bot verification technology since 2012, with 13+ years of dedicated focus on Anti-Bots and Advanced CAPTCHA. Artificial intelligence and deep learning models, including Graph Convolutional Neural Networks, are applied to its CAPTCHA system. Currently, GeeTest Captcha serves over 360,000 enterprises worldwide, securing 1B+ daily requests. It is used across industries such as blockchain, online gaming, e-commerce, finance, and social platforms, covering 30+ industries with experience accumulated from 670K+ attack scenarios.

Average Rating: 4.5/5.0

Total Reviews: 9

How Do G2 Users Rate GeeTest Captcha?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 9.3/10)
  • Quality of Support: 8.9/10 (Category avg: 9.1/10)
  • Ease of Admin: 10.0/10 (Category avg: 8.9/10)

Who Is the Company Behind GeeTest Captcha?

  • Seller: Geetest
  • Year Founded: 2012
  • HQ Location: Wuhan, CN
  • Twitter: @GeetestOfficial
    506 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    66 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 67% Small, 33% Medium

What Are Recent G2 Reviews of GeeTest Captcha?

Hitprobe

Hitprobe is a web analytics and traffic quality monitoring solution designed to help marketers, advertisers, and growth teams track user behaviour, detect suspicious activity, and optimise digital performance. Hitprobe comfortably falls under the categories of marketing analytics, ad tech, and fraud prevention software and is used by businesses running paid advertising, particularly those managing PPC campaigns across platforms like Google, Meta, & Microsoft Ads. Hitprobe captures every click and user interaction on a website through a lightweight JavaScript tag that analyses incoming traffic using techniques such as device fingerprinting, IP reputation checks, and behavioural pattern recognition to surface insights on both legitimate and potentially harmful visits, including bots, click farms, VPN traffic, and repeat abusers. You can use Hitprobe to improve your traffic quality, reduce wasted ad spend, and provide a more accurate picture of on-site behaviour by filtering out fraudulent or low-quality visits before they influence analytics or attribution. Key features include: - Traffic quality scoring: Each visit is analysed and scored based on behaviour, IP, and device signals to highlight risks. - Click fraud detection and blocking: Automatic blocking of high-risk visitors using configurable rules and lists. - Simple, single-page reporting: Live dashboards that show sessions, click paths, referral sources, exit points, and flagged traffic, all in one place. - Custom filters and saved views: Users can create views tailored to specific ad campaigns, landing pages, or traffic segments. - No-code integrations: Export or sync data to CRMs, ad platforms, or internal systems without development work. Hitprobe is typically adopted by performance marketers, agencies, and digital teams who need deeper visibility into what’s really happening behind every click and conversion, beyond what traditional analytics platforms like GA4 can show.

Average Rating: 4.5/5.0

Total Reviews: 18

How Do G2 Users Rate Hitprobe?

  • Has the product been a good partner in doing business?: 9.5/10 (Category avg: 9.3/10)
  • Quality of Support: 9.7/10 (Category avg: 9.1/10)
  • Ease of Admin: 9.1/10 (Category avg: 8.9/10)

Who Is the Company Behind Hitprobe?

Who Uses This Product?

  • Company Size: 67% Small, 28% Medium

What Do G2 Reviewers Say About Hitprobe?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the ease of use of Hitprobe, finding it straightforward and efficient for tracking data.
  • Users find the easy setup of Hitprobe impressive, enabling seamless integration and efficient usage for their campaigns.
  • Users find the setup effortless, allowing for quick integration and immediate benefits for their campaigns.
  • Users appreciate the easy integrations of Hitprobe, allowing seamless tracking without overwhelming complexity.
  • Users value the responsive customer support of Hitprobe, making setup and integration smooth and efficient.
Cons
  • Users find the reporting needs improvement, preferring more polished documents with better visuals instead of simple CSV files.
  • Users are dissatisfied with the limited reporting capabilities of Hitprobe, expecting more detailed analytics for the price.
  • Users feel that pricing issues exist, suggesting a need for more affordable options despite the tool's value.
  • Users feel the product is expensive, though it offers valuable hybrid features for analytics and fraud defense.
  • Users find the analytics feature fiddly, making navigation of insights somewhat challenging despite ongoing improvements.

What Are Recent G2 Reviews of Hitprobe?

MTCaptcha

MTCaptcha is a smart captcha service that prioritizes privacy and accessibility. It offers an adaptive invisible noCaptcha that is easy for humans but hard for bots, making verification frictionless. MTCaptcha is GDPR and WCAG compliant, ensuring that your data is never sold or shared with third parties. The captcha images are certified colorblind safe and the widget is fully VPAT compliant and optimized for screen readers. MTCaptcha supports any language and can be fully customized to match any webpage. It also supports audio in captcha, making it accessible to users who are visually impaired. MTCaptcha is trusted by Enterprises, Government, NGOs worldwide and is available in all the major world languages. MTCaptcha works around the world, including in China, making it a truly global captcha solution. It is backed by an adaptive Risk Engine that monitors and responds to threats, making it difficult for bots but easy for humans.

Average Rating: 4.4/5.0

Total Reviews: 9

How Do G2 Users Rate MTCaptcha?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 9.3/10)
  • Quality of Support: 8.5/10 (Category avg: 9.1/10)
  • Ease of Admin: 8.1/10 (Category avg: 8.9/10)

Who Is the Company Behind MTCaptcha?

  • Seller: MTCaptcha
  • Year Founded: 2018
  • HQ Location: San Francisco, CA
  • LinkedIn® Page: www.linkedin.com
    2 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 56% Small, 22% Medium

What Are Recent G2 Reviews of MTCaptcha?

What Are G2 Users Discussing About MTCaptcha?

hCaptcha

hCaptcha Enterprise is a comprehensive bot management and fraud prevention suite for organizations seeking to effectively identify and counter AI agent, bot, or human threats targeting their online properties. By seamlessly integrating hCaptcha into their websites, mobile applications, and APIs, organizations can proactively detect and mitigate automated bots and human fraudsters, minimizing security risks, preventing spam, and ensuring a superior user experience. The solution not only improves the integrity and performance of their online services but also enhances their overall security posture. hCaptcha's comprehensive platform includes: - Bot Management: hCaptcha Bot Protection employs advanced anomaly detection systems to combat sophisticated AI agents and novel, site-specific automated threats. Leveraging sophisticated machine learning technologies, hCaptcha accurately identifies and mitigates new threats and malicious traffic patterns, fortifying your online properties while relieving strain on your internal network defenders. - User Journeys: hCaptcha's User Journeys builds a privacy-preserving analysis that identifies malicious intent across sessions, devices, and apps. Identify malicious intent with in-session and cross-session behavioral analysis. Give your systems and analysts new signals to distinguish real users from threats. - Fraud Protection: hCaptcha Fraud Protection is a comprehensive solution for SOC, risk, and fraud teams to address transaction fraud and promo abuse. Identify and prevent fraudulent activity before it occurs. Our solution serves as a shield for your organization, resulting in significant savings in time, money, and other valuable resources. - Multi-Factor Authentication: hCaptcha MFA is more secure than traditional SMS OTP. Authentication at the carrier and device level blocks tolling and SIM swaps. The result is higher completion rates, fewer errors, and stronger protection. - Account Defense: Stop Account Takeover (ATO) attacks in real-time. hCaptcha's advanced machine learning rapidly detects patterns indicative of automated or fraudulent activity without compromising user privacy. When flagged, hCaptcha MFA can be easily triggered to maintain the account's integrity. - Private Learning: Find and deter specific classes of risk behavior specific to your business with custom, privacy-preserving ML models. Seamlessly combine your pre-blinded data with our global models. Outperform models trained solely on your own data, finding threats your existing strategies may overlook entirely. How It Works: - Adaptive Security Technology continually refines thousands of models through real-time learning loops to protect against sophisticated emerging threats. - Holistic Risk Scores offer Bot Score, Fraud Score, and ATO Score derived from a comprehensive analysis of behavioral, device, network, and proprietary Advanced Threat Signatures. - Coordinated Attack Protection automatically identifies and groups traffic, connections, and processes related to Advanced Persistent Threats, ensuring superior protection against sophisticated attacks. - Flexible Defense allows you to easily tune your Threat Model to address your unique needs and business logic. - Expert Monitoring provides a dedicated team of specialists to monitor your traffic 24/7. Why Industry Leaders Choose hCaptcha Enterprise: - Privacy-First Design ensures user privacy with no PII retention and supports privacy initiatives like Privacy Pass. - Flexible Security Suite offers a customizable suite to combat a wide range of attacks, ensuring it meets your specific security needs. - Unparalleled Threat Detection delivers 99.9% detection accuracy with virtually zero false positives, ensuring reliable security with lower total cost of ownership (TCO). - Scalable Protection scales efficiently to millions of requests per second, making it suitable for organizations of all sizes.

Average Rating: 4.4/5.0

Total Reviews: 13

How Do G2 Users Rate hCaptcha?

  • Has the product been a good partner in doing business?: 9.2/10 (Category avg: 9.3/10)
  • Quality of Support: 8.3/10 (Category avg: 9.1/10)
  • Ease of Admin: 8.9/10 (Category avg: 8.9/10)

Who Is the Company Behind hCaptcha?

  • Seller: hCaptcha
  • Company Website:
  • HQ Location: Miami
  • LinkedIn® Page: www.linkedin.com
    7 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 69% Small, 15% Medium

What Are Recent G2 Reviews of hCaptcha?

Shield

SHIELD is a device-first fraud intelligence platform that helps digital businesses worldwide eliminate fake accounts and stop all fraudulent activity. Powered by SHIELD AI, we identify the root of fraud with the global standard for device identification (SHIELD Device ID) and actionable fraud intelligence, empowering businesses to stay ahead of new and unknown fraud threats. We are trusted by global unicorns like inDrive, Alibaba, Swiggy, Meesho, TrueMoney, and more. With offices in Los Angeles, London, Sao Paulo, Jakarta, Bengaluru, Beijing, and Singapore, we are rapidly achieving our mission - eliminating unfairness to enable trust for the world.

Average Rating: 4.6/5.0

Total Reviews: 15

How Do G2 Users Rate Shield?

  • Has the product been a good partner in doing business?: 9.5/10 (Category avg: 9.3/10)
  • Quality of Support: 10.0/10 (Category avg: 9.1/10)
  • Ease of Admin: 8.1/10 (Category avg: 8.9/10)

Who Is the Company Behind Shield?

  • Seller: SHIELD
  • Year Founded: 2008
  • HQ Location: Los Angeles, California
  • Twitter: @shieldfraud
    278 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    263 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Financial Services
  • Company Size: 67% Medium, 20% Small

What Do G2 Reviewers Say About Shield?

AI-generated summary from verified user reviews

Pros
  • Users praise the responsive customer support of Shield, appreciating their hands-on approach and swift issue resolution.
  • Users praise the implementation ease of SHIELD, appreciating quick integration and responsive support throughout onboarding.
  • Users value the high reliability of Shield, appreciating its accuracy and effective fraud detection capabilities.
  • Users rave about the high accuracy of Shield's device fingerprinting, enhancing fraud detection and user security.
  • Users praise the high accuracy of Shield's device fingerprinting, enhancing fraud detection and overall security.
Cons
  • Users find the complex setup process time-consuming, especially without a technical team for integration.
  • Users find the difficult setup of Shield challenging, especially for teams lacking technical expertise and experience.
  • Users notice inaccuracies with device ID generation on Shield, impacting transaction reliability and feature effectiveness.
  • Users find learning difficulty in integrating and configuring Shield, especially without a technical team for customizations.
  • Users note some access limitations but appreciate the responsiveness in addressing feedback and improving service.

What Are Recent G2 Reviews of Shield?

CaptchaFox

CaptchaFox is a GDPR compliant bot mitigation solution designed to help users safeguard their websites and applications from a variety of automated attacks. These attacks can include account takeovers, spam submissions, scalping, and ad fraud, all of which pose significant risks to online security and user experience. By focusing on data protection, CaptchaFox ensures that businesses can maintain compliance with privacy regulations while effectively defending against malicious activities. This solution is particularly beneficial for businesses that rely heavily on online interactions, such as e-commerce platforms, social media sites, and any service that requires user authentication. The target audience includes web developers, digital marketers, and IT security professionals who are looking for reliable methods to enhance their cybersecurity measures without compromising user privacy. CaptchaFox addresses the growing need for robust security solutions that do not rely on intrusive tracking methods, making it an appealing choice for organizations committed to ethical data practices. One of the standout features of CaptchaFox is its use of various data signals and proof of work mechanisms to verify user authenticity. This approach eliminates the need for cookies or trackers, which are often criticized for their potential to infringe on user privacy. By leveraging innovative verification techniques, CaptchaFox can effectively distinguish between genuine users and automated bots, thereby reducing the likelihood of fraudulent activities. This not only protects the integrity of the website or application but also enhances the overall user experience by minimizing disruptions caused by bot-related issues. Additionally, CaptchaFox provides a seamless integration process, allowing businesses to implement the solution without extensive modifications to their existing systems. The user-friendly interface and comprehensive reporting tools enable organizations to monitor their security status in real-time, making it easier to identify and respond to potential threats. By offering a solution that balances effective bot mitigation with stringent data protection standards, CaptchaFox stands out in the competitive landscape of cybersecurity tools. Overall, CaptchaFox serves as a vital resource for organizations seeking to fortify their defenses against automated attacks while adhering to GDPR compliance. Its innovative approach to user verification and commitment to data privacy make it a valuable addition to any security strategy, ensuring that businesses can operate confidently in an increasingly digital world.

Average Rating: 4.7/5.0

Total Reviews: 7

How Do G2 Users Rate CaptchaFox?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 9.3/10)
  • Quality of Support: 9.3/10 (Category avg: 9.1/10)
  • Ease of Admin: 10.0/10 (Category avg: 8.9/10)

Who Is the Company Behind CaptchaFox?

Who Uses This Product?

  • Company Size: 43% Medium, 43% Small

What Are Recent G2 Reviews of CaptchaFox?

Procaptcha

Procaptcha is a modern, privacy-forward bot mitigation solution and seamless drop-in replacement for legacy systems like reCAPTCHA and hCaptcha. Designed for easy adoption, you can switch in minutes and start benefiting from advanced bot protection immediately. Key Highlights: Fast & Easy Integration - Just add a lightweight script or plugin and you’re ready to go. Compatible with platforms like WordPress, Shopify, and common web forms—installation takes mere minutes. Privacy-First Design - Built around data minimization, Procaptcha avoids centralized data storage, tracks no user data, and ensures GDPR compliance—making it a responsible choice for privacy-conscious businesses. - Through adaptive, proof-of-work (PoW) challenges and intelligent risk scoring, Procaptcha detects bots while minimizing disruptions to genuine users—reducing the reliance on frustrating image puzzles. - Adjust security levels depending on risk zones—everything from minimal friction for trusted contexts to tougher defenses in sensitive areas. Exceptional Value - Offers a robust free tier (up to 10,000 monthly verifications) with transparent, competitive pricing beyond that - undercutting legacy solutions while delivering superior protection. Inclusive & Accessible - Procaptcha's design supports multiple languages and accessibility needs ensuring that verification remains user-friendly for everyone. Robust Coverage Across Use Cases - Ideal for mitigating a variety of threats including scraping, credential stuffing, account takeover attempts, click-through fraud, scalping, phishing attacks, and more. Who Benefits Most? Perfect for website and app owners needing strong bot protection - without compromising privacy or user experience. Especially impactful for medium to high-traffic sites that want to avoid costly solutions and those using WordPress.

Average Rating: 4.9/5.0

Total Reviews: 7

How Do G2 Users Rate Procaptcha?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 9.3/10)
  • Quality of Support: 10.0/10 (Category avg: 9.1/10)
  • Ease of Admin: 9.4/10 (Category avg: 8.9/10)

Who Is the Company Behind Procaptcha?

  • Seller: Prosopo
  • Year Founded: 2021
  • HQ Location: London, GB
  • Twitter: @prosopo_
    28 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    5 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 71% Small, 14% Medium

What Do G2 Reviewers Say About Procaptcha?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the easy integrations with Procaptcha, enabling quick setup and streamlined workflows without hassle.
  • Users highlight the responsive customer support of Procaptcha, praising their quick assistance and helpful feedback integration.
  • Users commend the first-class bot blocking feature of Procaptcha, enhancing website security and user experience seamlessly.
  • Users love the ease of use of Procaptcha, highlighting its simple setup and seamless integration into websites.
  • Users appreciate the transparent and affordable pricing of Procaptcha, which aligns well with their budget needs.
Cons
  • Users experience outdated wrapper component issues with Procaptcha, but the team responds quickly to updates.
  • Users experience technical issues during setup, but support is readily available to assist throughout the process.

What Are Recent G2 Reviews of Procaptcha?

Kasada

Kasada has developed a radical approach to defeating automated cyberthreats based on its unmatched understanding of the human minds behind them. The Kasada platform overcomes the shortcomings of traditional bot management to provide immediate and enduring protection for web, mobile, and API channels. Its invisible, dynamic defenses provide a seamless user experience and eliminate the need for ineffective, annoying CAPTCHAs. Our team handles the bots so clients have freedom to focus on growing their businesses, not defending it. The Kasada Difference: There’s no silver bullet for bot defense. The battle is won with multiple layers of resilient protection that adapt as quickly as the adversary. Kasada counters the mindsets and motivations behind automated threats. Enduring protection: Defeat adversaries with a platform that’s dynamic, unpredictable and expensive to attack. Defense that just works: Simplify your life by eliminating management, rule updates, and decisions to make. Happy users: Deliver an exceptional user experience free of friction by using hidden challenges. The Kasada Architecture: Dynamic detections including invisible client-side challenges, client validation, proof of execution, and fast anomaly detection, these detection methods are backed by rapid feedback from data analytics and threat intelligence. Dynamic Detections: Invisible Signal Collection: Hundreds of sophisticated sensors collect hidden traces of automation within the client. Detects bots from the first request, without interrupting your real users or letting malicious requests hit your backend. Client Validation: Data received from the client is checked for signs of automation and assessed for tampering. Enables trustworthy decision-making using high integrity data from the client, while detecting attempts to bypass detection. Proof of Execution: Dynamic code paths executed within a highly obfuscated virtual machine force attackers to run their code in real browsers and mobile devices. This secures the signal data extracted from the client, making it hard to fake. Fast Anomaly Detection: Analytical models based on trillions of bot interactions identify automated session behavior in less than 2ms. Reduces the window of attack, forcing adversaries to re-validate their session. Backed by Rapid Feedback: Data Analytics: Live data collected by the product is fed into an analysis system, discovering and enabling investigation of real-time attempts to bypass detection. Threat Intelligence: Information is extracted from the botting community and the attack tools they build. Future attack methods are anticipated and used to bolster our defenses. New invisible sensors are added client-side in minutes across our entire customer base. Rather than just being handed a tool, Kasada supports you with its people-first partnership philosophy.

Average Rating: 4.6/5.0

Total Reviews: 6

How Do G2 Users Rate Kasada?

  • Quality of Support: 9.2/10 (Category avg: 9.1/10)

Who Is the Company Behind Kasada?

  • Seller: Kasada
  • Company Website:
  • Year Founded: 2015
  • HQ Location: New York, US
  • Twitter: @kasada_io
    1,102 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    123 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 33% Medium, 33% Large

What Are Recent G2 Reviews of Kasada?

Queue-Fair

Queue-Fair is the original Virtual Waiting Room, Bot Mitigation and peak-demand traffic management platform for busy websites, mobile apps and APIs, invented by us and originally patented in 2004. Queue-Fair protects websites and digital services when traffic surges, bots attack, or demand exceeds available capacity. When too many visitors arrive at once, Queue-Fair automatically places excess visitors in a fully branded online queue and returns them to your site in fair, first-come, first-served order at a rate you control. This keeps your website, checkout, login, payment pages, booking flows, registration forms, landing pages, APIs and critical infrastructure fast, stable and available without over-scaling, re-platforming or re-architecting your stack. Built for enterprise deployment and trusted for the world’s largest online queues, Queue-Fair is the UK Government’s G-Cloud15 2026-2029 procurement preferred supplier as we are powerful enough for whole governments and departments, and enterprises as global retailers, ticketing companies, transport providers, universities, visitor attractions and major ecommerce brands — while remaining simple, fast and affordable for smaller businesses too. Organisations can start with our Free Tier and grow into paid protection as their needs develop, with special pricing available to make professional peak-demand protection accessible to businesses of every size. Queue-Fair combines Virtual Waiting Room technology with Bot Detection and Mitigation features that help protect high-demand sales, ticket onsales, product launches, registrations, application windows, flash sales and 24/7 websites from overload, scraping, automated abuse, unfair access, fake demand and malicious bot activity. Queue-Fair helps identify and control suspicious traffic before it can overwhelm your systems, distort analytics, waste capacity, submit forms, attack APIs, bypass fairness controls or prevent genuine visitors from getting the service they deserve. Teams get granular control over visitor flow across an entire site or app, specific pages, bottlenecks and customer journeys, including login, add-to-cart, checkout, payment gateways, booking engines, registration pages and API calls. Queue-Fair includes real-time traffic analytics, flexible activation rules, secure pass validation, exclusive access mechanisms, proof-of-work protection, bot-resistant joining options, Single Use Join Tokens to ensure one order per human being, rate controls, branded queue pages, visitor messaging, email notifications and full customisation of the waiting experience. Unlike generic bot tools that only block traffic, Queue-Fair protects both your infrastructure and your customer experience. Genuine visitors are held safely, informed clearly and admitted fairly, while automated and suspicious traffic can be challenged, throttled or blocked entirely. This makes Queue-Fair ideal for enterprise-scale traffic management, scheduled peak-demand events, 24/7 high-traffic protection, bot mitigation, fair access control and online queue management. Founded in 2004, Queue-Fair has decades of experience in online queuing, traffic management, admission control and fair access technology - no-one has been doing this for longer. With Queue-Fair, your website stays responsive, your real visitors are treated fairly, bots and bad actors are kept under control, and your revenue, infrastructure and brand reputation are protected.

Average Rating: 5.0/5.0

Total Reviews: 126

How Do G2 Users Rate Queue-Fair?

  • Has the product been a good partner in doing business?: 9.9/10 (Category avg: 9.3/10)
  • Quality of Support: 9.9/10 (Category avg: 9.1/10)
  • Ease of Admin: 9.7/10 (Category avg: 8.9/10)

Who Is the Company Behind Queue-Fair?

Who Uses This Product?

  • Who Uses This: Director, CEO
  • Top Industries: Events Services, Entertainment
  • Company Size: 76% Small, 16% Medium

What Are Recent G2 Reviews of Queue-Fair?

What Are G2 Users Discussing About Queue-Fair?

Group-IB Fraud Protection

Group-IB Fraud Protection is a solution that combines device fingerprinting, fraud intelligence, and behavioral analysis. It already protects more than 500 million users of web and mobile apps for banking and fintech services, e-commerce marketplaces, and gambling sites across the globe against advanced digital threats, malware, payment fraud, social engineering attacks, and bad bots. Fraud Protection is a set of tools and services that help organizations detect, identify, prevent damage and protect from digital fraud; it comprises both fraud prevention and fraud detection strategies. Fraud Protection is used to protect the digital identity of users, block bot activity and prevent fraud. Fraud Protection helps reduce fraud losses and improve user experience in automated customer systems. Fraud Protection is enriched with high-quality explainable AI that can issue transparent and understandable explanations for its actions, ensuring compliance with ethical and responsible use frameworks. The solution acts in real-time and across all digital channels. Group-IB Fraud Protection allows you to detect the following types of fraud: social engineering attacks (phishing sites, email scams etc.), user account fraud, payment fraud, malicious bot activity, web injections, mobile trojans, malware-related and credit frauds etc. Group-IB Fraud Protection utilizes key Threat Intelligence insights contained in Group-IB’s Unified Risk Platform to provide the company’s experts with full visibility of the fraud landscape, and they are able to leverage this and their professional expertise to turn these insights into actionable anti-fraud strategies for Group-IB’s clients.

Average Rating: 5.0/5.0

Total Reviews: 4

How Do G2 Users Rate Group-IB Fraud Protection?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 9.3/10)
  • Quality of Support: 9.4/10 (Category avg: 9.1/10)
  • Ease of Admin: 9.2/10 (Category avg: 8.9/10)

Who Is the Company Behind Group-IB Fraud Protection?

  • Seller: Group-IB
  • Year Founded: 2003
  • HQ Location: Singapore
  • Twitter: @GroupIB
    9,646 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    572 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Large, 25% Medium

What Are Recent G2 Reviews of Group-IB Fraud Protection?

Castle

Castle is an identity and fraud risk management platform. We help security and fraud teams discover, investigate, report on and ultimately stop fraud at signup, login, and during transactions. Our SDKs integrate with your application code, after which security and fraud analysts use our website to monitor and manage attacks and fraud.

Average Rating: 3.7/5.0

Total Reviews: 3

How Do G2 Users Rate Castle?

  • Has the product been a good partner in doing business?: 7.5/10 (Category avg: 9.3/10)
  • Quality of Support: 6.7/10 (Category avg: 9.1/10)
  • Ease of Admin: 8.3/10 (Category avg: 8.9/10)

Who Is the Company Behind Castle?

  • Seller: Castle
  • Year Founded: 2015
  • HQ Location: Brooklyn, US
  • Twitter: @Castle_IO
    763 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    53 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 33% Large, 33% Medium

What Do G2 Reviewers Say About Castle?

AI-generated summary from verified user reviews

Pros
  • Users value the bot detection feature, enhancing security by identifying suspicious emails effectively.
  • Users appreciate the dual layer protection and effective detection of suspicious mail provided by Castle.
  • Users value the detection efficiency of Castle, especially for its ability to spot suspicious emails effectively.
  • Users value the efficiency of Castle in detecting suspicious emails and providing strong dual-layer protection.
  • Users appreciate the dual-layer protection and suspicious mail detection of Castle's Email Security for enhanced safety.
Cons
  • Users often face communication issues with Castle, leading to frustration and misunderstandings in interactions.
  • Users experience false positives where legitimate activities are blocked, leading to significant challenges and frustrations.
  • Users often face serious challenges due to legitimate accounts being blocked by Castle's fraud management system.
  • Users often experience inaccuracy as legitimate actions get blocked by the system, causing significant challenges.
  • Users experience ineffective blocking as legitimate accounts often get blocked, creating significant challenges and frustrations.

What Are Recent G2 Reviews of Castle?

What Are G2 Users Discussing About Castle?

Stytch

Stytch is the most powerful identity platform built for developers. With advanced features like device fingerprinting and account takeover-resistant authentication, Stytch provides the infrastructure to make your company’s identity and access management secure, reliable, and scalable. Stytch offers CIAM solutions for B2C and B2B, including breach-resistant passwords, passwordless auth flows, MFA, SSO with SAML and OIDC, and fraud and risk protection.

Average Rating: 4.8/5.0

Total Reviews: 37

How Do G2 Users Rate Stytch?

  • Has the product been a good partner in doing business?: 9.7/10 (Category avg: 9.3/10)
  • Quality of Support: 9.8/10 (Category avg: 9.1/10)
  • Ease of Admin: 8.7/10 (Category avg: 8.9/10)

Who Is the Company Behind Stytch?

  • Seller: Stytch
  • Year Founded: 2020
  • HQ Location: San Francisco, CA
  • Twitter: @stytchauth
    3,186 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    29 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Computer Software
  • Company Size: 81% Small, 16% Medium

What Are Recent G2 Reviews of Stytch?

Synthient

Synthient scores any IP address in real time against 400+ proxy and VPN networks, exposing residential proxies, botnets, and commercial VPNs that hide fraud and abuse. Integrate via API, daily feeds, or a streaming firehose.

Average Rating: 4.3/5.0

Total Reviews: 3

How Do G2 Users Rate Synthient?

  • Quality of Support: 8.9/10 (Category avg: 9.1/10)

Who Is the Company Behind Synthient?

  • Seller: Synthient
  • Year Founded: 2024
  • HQ Location: Seattle, US
  • Twitter: @synthient
  • LinkedIn® Page: www.linkedin.com
    3 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 67% Small, 33% Medium

What Are Recent G2 Reviews of Synthient?

Lauren Worth
LW
Researched and written by Lauren Worth
Updated October 3, 2024