--- title: Illumio Reviews meta_title: 'Illumio Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 63 reviews by the users' company size, role or industry to find out how Illumio works for a business like yours. aggregate_rating: rating_value: 4.5 review_count: 63 scale: '5' date_modified: '2026-09-28' parent_category: name: Network Security url: https://www.g2.com/categories/network-security --- # Illumio Reviews **Vendor:** Illumio **Category:** [Microsegmentation Software](https://www.g2.com/categories/microsegmentation) **Average Rating:** 4.5/5.0 **Total Reviews:** 63 **AI Enabled:** This product embeds AI to enhance or extend its core functionality. ## About Illumio Illumio is the leader in ransomware and breach containment, redefining how organizations contain cyberattacks and enable operational resilience. Our breach containment platform identifies and contains threats across hybrid multi-cloud environments, stopping attacks from becoming cyber disasters. Recognized as a Leader in G2 for Microsegmentation, Illumio enables Zero Trust, strengthening cyber resilience for the infrastructure, systems, and organizations that keep the world running. The Illumio Platform comprises two complementary products powered by an AI security graph: Illumio Insights detects threats and exposes lateral movement risk across hybrid cloud environments.  Illumio Segmentation prevents the spread of attacks by enforcing policy and protecting critical assets. Together, they help security teams shrink the attack surface, reduce risk, and contain breaches in real time. Illumio Segmentation Overview Illumio enhances security through micro-segmentation and real-time traffic control, offering detailed network visibility and precise application communication management. It supports scalability across environments, improving security posture and reducing lateral movement. Illumio's features include real-time traffic control, micro-segmentation at the workload level, and scalable policy management, allowing organizations to establish strict security measures against threats like ransomware. Its visibility map offers granular security insights essential for creating effective policies and auditing traffic. Centralized rule distribution and comprehensive traffic mapping augment security across environments. The platform's design ensures ease of deployment and compatibility, reducing unauthorized access by focusing on threat isolation and breach containment. While Illumio excels in flexibility and visibility, it also includes advancements in technical support, third-party integrations, and user-friendly policy management in order to better support diverse operating systems and larger environments. Improved reporting, analytics, and automation for policy creation are necessary alongside reduced dependency on agents and enhanced data security measures. What are Illumio's most important features? Real-Time Traffic Control: Allows dynamic management of network traffic for enhanced security. Micro-Segmentation: Enables precise control over application communication within networks. Scalable Policy Management: Facilitates implementation of robust policy frameworks across environments. Visibility Map: Provides granular insights for security policy creation and auditing purposes. Threat Isolation and Breach Containment: Limits unauthorized access and mitigates security threats. What benefits or ROI should users look for? Enhanced Security Posture: Reduced lateral movement and improved threat mitigation. Scalability: Supports security measures in growing and complex environments. Deployment Ease: Lightweight and user-friendly implementation across platforms, with no network redesign. Compliance Maintenance: Assists in adhering to security standards across infrastructures. Illumio is frequently deployed in industries where network segmentation is critical, such as finance and healthcare, offering detailed network visibility and control over application communication. Organizations integrate it seamlessly with existing infrastructures, facilitating the deployment of lightweight VENs and effective policy management to secure hybrid cloud and on-premises environments, ensuring compliance and defending against evolving threats. ## Illumio Pros & Cons Pros and Cons are compiled from review feedback and grouped into themes to provide an easy-to-understand summary of user reviews. **What users like:** - Users value the **ease of use** of Illumio, appreciating its simple configuration and quick troubleshooting capabilities. (9 reviews) - Users value Illumio for its **enhanced security** , effectively protecting against cyber-attacks and simplifying network management. (5 reviews) - Users appreciate the **centralized management** of Illumio, facilitating visibility and enforcement across diverse environments seamlessly. (3 reviews) - Users commend the **ease of implementation** with Illumio, simplifying integration and reducing setup time significantly. (3 reviews) - Users praise the **installation ease** of Illumio, highlighting its simple configuration and straightforward usability. (3 reviews) - Seamless Implementation (3 reviews) - Users value the **easy access** provided by Illumio, enhancing visibility and management across networks and security systems. (2 reviews) - Features (2 reviews) - Monitoring (2 reviews) - Performance Efficiency (2 reviews) **What users dislike:** - Users experience a **difficult learning curve** with Illumio, requiring time and training to fully grasp the policy model. (2 reviews) - Users face **integration issues** with Illumio, particularly the inability to stream logs directly to a SIEM. (2 reviews) - Users struggle with **compatibility issues** regarding legacy operating systems, impacting the overall effectiveness of Illumio. (1 reviews) - Users note a **difficult learning curve** with Illumio, although understanding the policy model becomes manageable over time. (1 reviews) - Users find Illumio to be **expensive** , especially for smaller setups, requiring significant investment for complex environments. (1 reviews) - Expensive Licensing (1 reviews) - Improvements Needed (1 reviews) - Insufficient Training (1 reviews) - Users note a **lack of features** such as the inability to stream logs directly to a SIEM, limiting functionality. (1 reviews) - Licensing Costs (1 reviews) ## Illumio Reviews ### 1. Easy to Use and Powerful—Highly Recommended **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Airlines/Aviation | Enterprise (> 1000 emp.) This reviewer's identity has been verified by our review moderation team. They have asked not to show their name, job title, or picture. **Validated Reviewer:** Validated through a business email account **Source: Organic:** Organic review. This review was written entirely without invitation or incentive from G2, a seller, or an affiliate. **Reviewed Date:** January 07, 2026 **What do you like best about Illumio?** Easy to use , powerfull and quick to freeze a problematic pc **What do you dislike about Illumio?** nothing yet :-) maybe that i should of got it earlier **What problems is Illumio solving and how is that benefiting you?** Latteral movement whithin some of our flat network subnet ### 2. Needs More Innovation and Better Integration **Rating:** 2.5/5.0 stars **Reviewed by:** Verified User in Legal Services | Enterprise (> 1000 emp.) This reviewer's identity has been verified by our review moderation team. They have asked not to show their name, job title, or picture. **Validated Reviewer:** Validated through a business email account **Source: Organic:** Organic review. This review was written entirely without invitation or incentive from G2, a seller, or an affiliate. **Reviewed Date:** January 12, 2026 **What do you like best about Illumio?** The product does doesn't cause issues and not a lot of maintenance is required. **What do you dislike about Illumio?** Illumio lacks innovation and integration. **What problems is Illumio solving and how is that benefiting you?** Microsegmentation between servers. ### 3. Finest security service provider!! **Rating:** 4.0/5.0 stars **Reviewed by:** Shikhar G. | Financial Planning and Analysis Analyst, Enterprise (> 1000 emp.) **Validated Reviewer:** Validated through LinkedIn **Incentivized:** This reviewer was offered a nominal gift card as thank you for completing this review. **Source: G2 invite:** Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review. **Reviewed Date:** January 18, 2024 **What do you like best about Illumio?** One of the best features of Illumio is Database security and protection from malware threats in case of data loss, using continuous security analysis and auditing. **What do you dislike about Illumio?** Apart from the high cost, I feel its integration in the current security system is a bit time taking and difficult. **What problems is Illumio solving and how is that benefiting you?** Data security was our main requirement and Illumio is helping me do just that. ### 4. Illumio helps secure your network like a pro. **Rating:** 3.5/5.0 stars **Reviewed by:** Abhishek D. | Cloud Implementation Analyst, Enterprise (> 1000 emp.) **Validated Reviewer:** Validated through LinkedIn **Incentivized:** This reviewer was offered a nominal gift card as thank you for completing this review. **Source: G2 invite:** Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review. **Reviewed Date:** October 27, 2023 **What do you like best about Illumio?** What I like best about Illumio is its ability to provide strong security by segmenting and controlling network traffic. It's easy to implement and configure. **What do you dislike about Illumio?** Although it an amazing tool, the only thing I dislike is its high cost. **What problems is Illumio solving and how is that benefiting you?** With Illumio we are able to tag network rules with the respective apps which helps us to closely monitor the network traffic for each app separately. ### 5. Secured my businesses from all kind cyber threats **Rating:** 5.0/5.0 stars **Reviewed by:** Henal S. | Founder, Textiles, Small-Business (50 or fewer emp.) **Validated Reviewer:** Validated through LinkedIn **Incentivized:** This reviewer was offered a nominal gift card as thanks for completing this review. **Source: G2 invite:** Invitation from G2. This reviewer was offered a nominal gift card as thanks for completing this review. **Reviewed Date:** September 05, 2023 At G2, we prefer fresh reviews and we like to follow up with reviewers. They may not have updated their review text, but have updated their review. **What do you like best about Illumio?** The most helpful feature in Illumio is Database security and data loss protection from malware threats with the help of security auditing and security analysis **What do you dislike about Illumio?** I like the user friendly interface of Illumio software which easy to use for my entire team. There are no dislikes from my side as Illumio team is supportive in solving all the doubts **What problems is Illumio solving and how is that benefiting you?** Illumio has solved the problem of user analytics and security analytics by implementing real time user monitoring,network monitoring configuration monitoring to safeguard from data loss ### 6. Best Security Solution Provider **Rating:** 4.0/5.0 stars **Reviewed by:** Ashutosh O. | Project Manager, Enterprise (> 1000 emp.) **Validated Reviewer:** Validated through LinkedIn **Incentivized:** This reviewer was offered a nominal gift card as thank you for completing this review. **Source: G2 invite:** Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review. **Reviewed Date:** July 26, 2023 **What do you like best about Illumio?** It easily visualizes application platform traffics across complex and ever-changing networks. Also, it provides a centralized platform for policy creation and monitoring. **What do you dislike about Illumio?** Integration is a bit complex in large and intricate IT environments, especially integrating with existing infrastructure. **What problems is Illumio solving and how is that benefiting you?** Illumio is used to secure project monitoring system applications with product lifecycle management applications. With Illumio's application-centric security and fine-grained security policies, the project lifecycle system is very much safe. In real-time, if an unauthorized process attempts to access data within the application, Illumio will block the access attempt, ensuring that only authorized personnel can access sensitive and high-security data. ### 7. Security for applications in Cloud **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Financial Services | Small-Business (50 or fewer emp.) This reviewer's identity has been verified by our review moderation team. They have asked not to show their name, job title, or picture. **Validated Reviewer:** Validated through a business email account **Incentivized:** This reviewer was offered a nominal gift card as thank you for completing this review. **Source: G2 invite:** Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review. **Reviewed Date:** July 30, 2023 **What do you like best about Illumio?** 1. User friendly security filter options 2. Minimal knowledge of firewall rules is enough to use this platform 3. Traffic based mapping between workloads and internet 4. Threat Defense Mechanism to pernicious threats **What do you dislike about Illumio?** As of my knowledge, I dont find any dislikes or issues. **What problems is Illumio solving and how is that benefiting you?** Integration of network is quite easy and good. It surpasses the traditional way of making rules on firewall. Compatible with different environments of Linux, Windows OS. ### 8. Illumio Firewalling **Rating:** 5.0/5.0 stars **Reviewed by:** Venkata Rajesh N. | Assistant Manager- Network Administrator , Enterprise (> 1000 emp.) **Validated Reviewer:** Validated through LinkedIn **Incentivized:** This reviewer was offered a nominal gift card as thank you for completing this review. **Source: G2 invite:** Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review. **Reviewed Date:** July 04, 2023 At G2, we prefer fresh reviews and we like to follow up with reviewers. They may not have updated their review text, but have updated their review. **What do you like best about Illumio?** Effective control on the domain controllers **What do you dislike about Illumio?** Complete control over the Windows domain controllers **What problems is Illumio solving and how is that benefiting you?** It affectively controls the access to the services offered by Domain Controllers ### 9. Great products, no issues from a user standpoint **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Mid-Market (51-1000 emp.) This reviewer's identity has been verified by our review moderation team. They have asked not to show their name, job title, or picture. **Validated Reviewer:** Validated through a business email account **Incentivized:** This reviewer was offered a nominal gift card as thank you for completing this review. **Source: G2 invite:** Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review. **Reviewed Date:** July 21, 2023 **What do you like best about Illumio?** I was only the user not the admin, but it was a user friendly product. Easy to follow through. **What do you dislike about Illumio?** Maybe I wasn't aware but there does not seem to be new value adds / new features introduced. **What problems is Illumio solving and how is that benefiting you?** Easy to create rules for traffic and tracking them ### 10. Illumio product user friendly and anyone can control inbound & outbound traffic of machine **Rating:** 4.5/5.0 stars **Reviewed by:** Daram S. | Sr test engineer, Mid-Market (51-1000 emp.) **Validated Reviewer:** Validated through a business email account **Incentivized:** This reviewer was offered a nominal gift card as thank you for completing this review. **Source: G2 invite:** Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review. **Reviewed Date:** May 25, 2021 **What do you like best about Illumio?** The best part of this product: any one can easily understand traffic based on illumination and any one can write rules based on easy inputs to PCE and we can control VM's traffic from one place i.e from PCE and also we can monitor traffic. **What do you dislike about Illumio?** No of features offered by the products to be improved **What problems is Illumio solving and how is that benefiting you?** Testing functionality of their products ### 11. Great platform to protect your applications deployed in cloud and Virtualized Infrastructure **Rating:** 4.5/5.0 stars **Reviewed by:** nitish s. | Mid-Market (51-1000 emp.) **Validated Reviewer:** Validated through a business email account **Incentivized:** This reviewer was offered a nominal gift card as thank you for completing this review. **Source: G2 invite:** Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review. **Reviewed Date:** June 24, 2020 **What do you like best about Illumio?** 1. It prevents the network breaches and performs crucial security operations for any application deployed within and across the data center and cloud environments. 2. Good with Threat defense mechanism and has the capability to identify the malicious activities. **What do you dislike about Illumio?** Nothing to dislike at the moment. It's a great product. **Recommendations to others considering Illumio:** For getting best level of network security, please go for it. **What problems is Illumio solving and how is that benefiting you?** 1. The ASP works along with existing firewall and network security solutions. 2. Integration with current network topology is too easy. ### 12. Advance Security that Easy to Implement and Use! **Rating:** 5.0/5.0 stars **Reviewed by:** Nileshkumar P. | Software Engineer, Mid-Market (51-1000 emp.) **Validated Reviewer:** Validated through LinkedIn **Incentivized:** This reviewer was offered a nominal gift card as thank you for completing this review. **Source: G2 invite:** Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review. **Reviewed Date:** January 17, 2020 At G2, we prefer fresh reviews and we like to follow up with reviewers. They may not have updated their review text, but have updated their review. **What do you like best about Illumio?** Illumio has great advance Security filter options with easy to use. It is working on firewall with any OS platform like Windows, Linux, Solaris. We can use with minimal knowledge of firewall rules. PCE and VEN both can work perfectly. **What do you dislike about Illumio?** Nothing to dislikes. It has great features to secure networks. can make rules with minimal knowledge of firewall. **Recommendations to others considering Illumio:** Illumio is advance Security filter firewall which secures network with minimal knowledge of IP rules. **What problems is Illumio solving and how is that benefiting you?** With the use of PCE, we make rules on it and applied on VEN(Virtual Enforced Node) so each rules applied on system and whole networks, which is perfect solutions to remove complexity of old traditional way to make rules on firewall. ### 13. Illumio is best suitable security platform for creating firewall rules. **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Banking | Mid-Market (51-1000 emp.) This reviewer's identity has been verified by our review moderation team. They have asked not to show their name, job title, or picture. **Validated Reviewer:** Validated through LinkedIn **Source: Seller invite:** Invitation from a seller or affiliate. This reviewer was not provided any incentive by G2 for completing this review. **Reviewed Date:** December 29, 2019 **What do you like best about Illumio?** The most amazing feature I like about this product is its illumination map, which shows the traffic-based mapping between workloads and the internet. Admins can easily understand the services without having in-depth knowledge about this product, although they can create rules as per requirements. **What do you dislike about Illumio?** There are not many things to dislike about Illumio ASP, but the logging of the applications on the system could be deeper. **Recommendations to others considering Illumio:** ASP is the best platform to go with if you are looking for something that solves your customizable firewall-based problem in-house without having multiple third-party services. **What problems is Illumio solving and how is that benefiting you?** Looking to make the ASP compatible with Docker containers as well as microservices. There are so many benefits that it is compatible with different flavors of Linux and Unix as well as Windows OS. - [View Illumio pricing details and edition comparison](https://www.g2.com/products/illumio/reviews?page=2§ion=pricing&secure%5Bexpires_at%5D=2026-09-28+13%3A15%3A47+-0500&secure%5Bsession_id%5D=d4d31d9f-e531-4309-807b-1aa88f7c05aa&secure%5Btoken%5D=7e1f84622c0f16013312c0072b8dfef85616b3fac9b46fa65bd55369e50df402&format=llm_user) ## Illumio Features **Additional Functionality** - Penetration Testing - Alerts/Notifications - Audit Trail - Anti Virus - Vulnerability Scanning - Remote Monitoring & Management - VPN - Behavior Analytics - Reporting/Analytics - Real-Time Notifications - Access Controls/Permissions - SSL Security - Patch Management - Event Logs - Anomaly/Malware Detection - DNS Leak Protection - Third-Party Integrations - Server Monitoring - Real-Time Monitoring - Compliance Management - Network Provisioning - API - Email Alerts - Security Auditing - Intrusion Detection System - Data Visualization - Two-Factor Authentication - Generative AI - Firewalls - AI Copilot - Anti Spam - Threat Response - Activity Monitoring - Risk Alerts - Data Loss Prevention - Single Sign On - Intrusion Prevention System - Secure Login - Policy Management - Activity Dashboard **Management** - Dashboards and Reports - Workflow Management - Administration Console **Prevention** - Intrusion Prevention - Firewall - Encryption - Security hardening - Cloud Data Protection **Network Management** - Network Segmentation - Network Mapping - Security Analytics - API/Integrations **Administration** - Policy Enforcement - Dependency Mapping - Network Mapping **Cloud Visibility** - Data Discovery - Cloud Registry - Cloud Gap Analytics **Compliance** - Access Management - At-Risk Analysis - DLP Configuration - Sensitive Data Compliance **Operations** - Governance - Logging and Reporting - API / Integrations **Detection** - Intrusion Detection - Security Monitoring - Anti-Malware / Malware Detection **Security** - Security Automation - Application Security - Workload Protection - Data Protection **Enforcement** - Identity-Based Policy Management - Workflow Automation - Network Segmentation - Intelligent Segmentation - Workload Protection **Security - Zero Trust Platforms** - Encryption - Endpoint detection and response (EDR) - Micro-segmentation - Zero trust network access (ZTNA) **Security** - Data Security - Data loss Prevention - Security Auditing - Real-Time Data - Cloud Application Security - SSL Security **Administration** - API / integrations **Security Controls ** - Anomaly Detection - Data Loss Prevention - Security Auditing - Cloud Gap Analytics **Administration** - Compliance - Administration Console - - API / integrations **Identity Management** - Adaptive Access Control - Identity Scoring - User Monitoring **Network Monitoring** - Network Monitoring - Configuration Monitoring - Change Management **Visibility** - Breach Detection - Observability - Application Discovery **Data Security - Zero Trust Platforms** - Data loss prevention (DLP) - Data classification **Identity** - SSO - Governance - User Analytics - Real-Time Analytics - Visual Analytics - Reporting/Analytics **Security ** - Multi-Factor Authentication - Data Transport **Generative AI** - AI Text Summarization - AI Text Generation **Application Visibility - Zero Trust Platforms** - API support - Application-level controls - Secure application access - User and entity behavior analytics (UEBA) - Continuous monitoring **Additional Functionality** - Alerts/Notifications - AI Copilot - Access Controls/Permissions - Endpoint Management - Intrusion Detection System - Compliance Management - HIPAA Compliant - Search/Filter - API - Two-Factor Authentication - Data Visualization - Risk Assessment - Real-Time Monitoring - Event Logs - Activity Dashboard - Audit Management - Cloud Security Policy Management - Vulnerability Protection - Anti Virus - Incident Management - Threat Intelligence - Real-Time Reporting - Reporting & Statistics - User Management - Encryption - Vulnerability Scanning - Generative AI - Status Tracking - Third-Party Integrations - Real-Time Notifications - Patch Management - Monitoring - Cloud Encryption **Reporting and Policies - Zero Trust Platforms** - Policy automation - Regulatory compliance - Cross-platform compatibility - Policy enforcement - Comprehensive reporting ## Top Illumio Alternatives - [Wiz](https://www.g2.com/products/wiz-wiz/reviews) - 4.7/5.0 (841 reviews) - [Okta](https://www.g2.com/products/okta/reviews) - 4.5/5.0 (1,396 reviews) - [Microsoft Defender for Cloud](https://www.g2.com/products/microsoft-defender-for-cloud/reviews) - 4.4/5.0 (427 reviews)