--- title: Tenable Nessus Reviews meta_title: 'Tenable Nessus Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 304 reviews by the users' company size, role or industry to find out how Tenable Nessus works for a business like yours. aggregate_rating: rating_value: 4.5 review_count: 304 scale: '5' date_modified: '2026-07-23' parent_category: name: "DevSecOps\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t" url: https://www.g2.com/categories/devsecops --- # Tenable Nessus Reviews **Vendor:** Tenable **Category:** [Vulnerability Scanner Software](https://www.g2.com/categories/vulnerability-scanner) **Average Rating:** 4.5/5.0 **Total Reviews:** 304 ## About Tenable Nessus Built for security practitioners, by security professionals, Nessus products by Tenable are the de-facto industry standard for vulnerability assessment. Nessus performs point-in-time assessments to help security professionals quickly and easily identify and fix vulnerabilities, including software flaws, missing patches, malware, and misconfigurations - across a variety of operating systems, devices, and applications. With features such as pre-built policies and templates, customizable reporting, group “snooze” functionality, and real-time updates, Nessus is designed to make vulnerability assessment simple, easy, and intuitive. The result: less time and effort to assess, prioritize, and remediate issues. ## Tenable Nessus Pros & Cons **What users like:** - Users appreciate the **vulnerability identification** capabilities of Tenable Nessus, highlighting its accuracy and comprehensive coverage for security management. (20 reviews) - Users value the **advanced vulnerability detection** capabilities of Tenable Nessus, enhancing their security risk management effectively. (18 reviews) - Users value the **ease of use** of Tenable Nessus, appreciating its simple setup and user-friendly interface. (16 reviews) - Users value the **automated scanning** capabilities of Tenable Nessus, benefiting from its comprehensive and up-to-date vulnerability checks. (15 reviews) - Users commend the **comprehensive scanning capabilities** of Tenable Nessus, alongside its robust reporting and automation features. (13 reviews) - User Interface (13 reviews) - Security (9 reviews) - Scanning Technology (7 reviews) - Automation (6 reviews) - Security Testing (6 reviews) **What users dislike:** - Users note the **slow scanning** process, especially in large environments, significantly impacting resource usage and production times. (7 reviews) - Users find the **cost of running and maintaining Tenable Nessus** to be extensively high and burdensome. (6 reviews) - Users find **limited features** in Tenable Nessus, including restrictions on hosts, scans, and mobile application testing. (6 reviews) - Users find the **complexity** of Tenable Nessus challenging, especially with advanced features requiring significant technical knowledge. (5 reviews) - Users report that Nessus generates **false positives** , resulting in extra workload and hindering effective security management. (5 reviews) - Users report **slow performance** on large networks, often resulting in delays and missed vulnerabilities during scans. (5 reviews) - Inadequate Remediation (4 reviews) - Users find the **lack of automation** in Tenable Nessus hampers efficiency and complicates asset management processes. (3 reviews) - Learning Curve (3 reviews) - Users find **limited automation** in Nessus, making it challenging to manage past scans and overall efficiency. (3 reviews) ## Tenable Nessus Reviews ### 1. Excellent Vulnerability Scanner **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Small-Business (50 or fewer emp.) **Reviewed Date:** October 19, 2017 **What do you like best about Tenable Nessus?** I love the fact that it pin points vulnerabilities and makes my work easier as a penetration tester **What do you dislike about Tenable Nessus?** For now nothing. Nessus has all features i need. The basic scanner is free while other modules are paid. **Recommendations to others considering Tenable Nessus:** It will serve you well! **What problems is Tenable Nessus solving and how is that benefiting you?** Vulnerability Assessment ### 2. Easy to use **Rating:** 4.0/5.0 stars **Reviewed by:** Harshad P. | Intern, Hospital & Health Care, Enterprise (> 1000 emp.) **Reviewed Date:** November 28, 2017 **What do you like best about Tenable Nessus?** Available pre configured and customizable VM, Amazon EC2, etc **What do you dislike about Tenable Nessus?** Not available for low end individuals. Configuration from scratch is a challange **What problems is Tenable Nessus solving and how is that benefiting you?** Security optimization ### 3. Nessus VA Scanner **Rating:** 3.5/5.0 stars **Reviewed by:** Verified User in Broadcast Media | Enterprise (> 1000 emp.) **Reviewed Date:** January 05, 2018 **What do you like best about Tenable Nessus?** Has been extremely useful in boosting security of all our portals over the last 12 months **What do you dislike about Tenable Nessus?** a bit slow when running very large web applications and word press blogs **What problems is Tenable Nessus solving and how is that benefiting you?** We Security is the key ### 4. Excellent software **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Computer & Network Security | Enterprise (> 1000 emp.) **Reviewed Date:** January 06, 2018 **What do you like best about Tenable Nessus?** Been a fan of tenable for a long time the only thing I would actually say is I wish they stayed open source **What do you dislike about Tenable Nessus?** No longer open source, commercial business **What problems is Tenable Nessus solving and how is that benefiting you?** Assists in vulnerability management ## Tenable Nessus Discussions - [What does Nessus Professional scan for?](https://www.g2.com/discussions/about-nessus-2b3f6c8f-4cde-460a-bd61-f2527f0cdb45) - 2 comments, 1 upvote - [What types of devices can Nessus Professional scan?](https://www.g2.com/discussions/device-types-78d9c056-eb92-4435-aad4-32afa6a1a445) - 2 comments, 1 upvote - [How many IP Addresses can I scan?](https://www.g2.com/discussions/ip-addresses-b6ef755d-8e1e-4949-818a-ec228e8ac779) - 2 comments, 1 upvote - [What do I need to run Nessus professional?](https://www.g2.com/discussions/environment-c71784d4-2685-42a7-870f-56620a4bcb97) - 2 comments, 1 upvote - [Can I use Nessus Professional for configuration assessment?](https://www.g2.com/discussions/configuration-assessment-a04f2d4f-8e02-42c3-bee0-182b295932a8) - 2 comments, 1 upvote - [View Tenable Nessus pricing details and edition comparison](https://www.g2.com/products/tenable-nessus/reviews?page=7§ion=pricing&secure%5Bexpires_at%5D=2026-07-23+14%3A11%3A03+-0500&secure%5Bsession_id%5D=d533180e-3a27-4189-96c9-216e4e54d9db&secure%5Btoken%5D=31df8980abae621b6891628148df01a73b42fd121ae32ff61e2ab68b23880135&format=llm_user) ## Tenable Nessus Integrations - [Tenable Vulnerability Management](https://www.g2.com/products/tenable-vulnerability-management/reviews) ## Tenable Nessus Features **Administration** - API / Integrations - Extensibility **Performance** - Detection Rate - False Positives - Automated Scans **API Management ** - API Discovery - API Monitoring - Reporting - Change Management **Asset Management** - Asset Discovery - Shadow IT Detection - Change Management **Cloud Visibility** - Data Discovery - Cloud Registry - Cloud Gap Analytics **Analysis** - Reporting and Analytics - Issue Tracking - Static Code Analysis - Vulnerability Scan - Code Analysis **Network** - Compliance Testing - Perimeter Scanning - Configuration Monitoring **Security Testing** - Compliance Monitoring - API Verification - API Testing **Monitoring** - Gap Analysis - Vulnerability Intelligence - Compliance Monitoring - Continuous Monitoring **Security** - Data Security - Data loss Prevention - Security Auditing **Testing** - Manual Testing - Test Automation - Compliance Testing - Black-Box Scanning - Detection Rate - False Positives **Application** - Static Code Analysis - Black Box Testing **Security Management** - Security and Policy Enforcement - Anomoly Detection - Bot Detection **Risk Management** - Risk-Prioritization - Reconnaissance - At-Risk Analysis - Threat Intelligence **Identity** - SSO - Governance - User Analytics **Generative AI** - AI Text Summarization **Agentic AI - Vulnerability Scanner** - Autonomous Task Execution - Proactive Assistance ## Top Tenable Nessus Alternatives - [Intruder](https://www.g2.com/products/intruder/reviews) - 4.8/5.0 (209 reviews) - [Invicti (formerly Netsparker)](https://www.g2.com/products/invicti-formerly-netsparker/reviews) - 4.5/5.0 (68 reviews) - [Detectify](https://www.g2.com/products/detectify/reviews) - 4.5/5.0 (49 reviews)