# Nessus vs ConnectWise SIEM - 2026 Comparison - Software Advice > Nessus vs ConnectWise SIEM - See how these products stack up against each other with real user reviews, product feature comparisons and screenshots. Find out which one is best for your organization. Source: https://www.softwareadvice.com/network-security/nessus-profile/vs/perch-security --- [Home](https://www.softwareadvice.com/) / [Incident Management Software](https://www.softwareadvice.com/incident-management/) / Nessus vs ConnectWise SIEM Software Advice offers objective insights based on verified user reviews and independent product and market research. When our advisors match you to a software provider, we may earn a referral fee. Updated May 6, 2026 # Nessus vs. ConnectWise SIEM: 2026 Comparison Skip hours of research. Get your top 5 matches from an expert in 15 minutes, 100% free. 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Free Expert Guidance Real Human Advice 1M + Businesses Helped Product comparison Compare up to 3 products side-by-side + Add product [](https://www.softwareadvice.com/network-security/nessus-profile/) [Nessus](https://www.softwareadvice.com/network-security/nessus-profile/) 4.7 [(93)](https://www.softwareadvice.com/network-security/nessus-profile/reviews/) Starting Price $4000.20one time Free trial Free version Pros: Not enough reviews Cons: Not enough reviews Who uses Nessus Based on 93 reviews - Top use cases: Vulnerability Scanner (29%), Vulnerability Management (17%) and Network Security (13%) 92% of users recommend this product [](https://www.softwareadvice.com/encryption/perch-security-profile/) [ConnectWise SIEM](https://www.softwareadvice.com/encryption/perch-security-profile/) 4.5 [(53)](https://www.softwareadvice.com/encryption/perch-security-profile/reviews/) Starting Price Not provided by vendor Free trial Free version Pros: Not enough reviews Cons: Not enough reviews Who uses ConnectWise SIEM Based on 53 reviews - Top use cases: IT Management (15%), Network Security (9%) and Incident Management (9%) 85% of users recommend this product [](https://www.softwareadvice.com/network-security/nessus-profile/) Nessus 4.7 [(93)](https://www.softwareadvice.com/network-security/nessus-profile/reviews/) [](https://www.softwareadvice.com/encryption/perch-security-profile/) ConnectWise SIEM 4.5 [(53)](https://www.softwareadvice.com/encryption/perch-security-profile/reviews/) + Add product Add product ## User satisfaction * * * 4.7 Based on 93 reviews Ease of use 4.6 Value for money 4.5 Customer support 4.3 Functionality 4.6 4.5 Based on 53 reviews Ease of use 4.1 Value for money 4.4 Customer support 4.7 Functionality 4.4 ## User interface * * * ## Key features Features selected based on 146 reviews from Incident Management * * * Asset Discovery 4.7 Compliance Management N/A Incident Management N/A Vulnerability Assessment 4.7 Asset Discovery N/A Compliance Management 4.5 Incident Management 4.0 Vulnerability Assessment N/A ### Wondering if these products fit your needs? Skip the manual research. Talk to a real advisor like Lexi to get a 100% free, personalized shortlist in 15 minutes. LexiAdvisor for 8 years ### Wondering if these products fit your needs? Skip the manual research. Talk to a real advisor like Lexi to get a 100% free, personalized shortlist in 15 minutes. LexiAdvisor for 8 years ## Integrations * * * [ Microsoft TeamsNot enough reviews ](https://www.softwareadvice.com/voip/microsoft-teams-profile/)[ Microsoft 365Not enough reviews ](https://www.softwareadvice.com/productivity/microsoft-365-profile/)[ SlackNot enough reviews ](https://www.softwareadvice.com/remote-support/slack-profile/) ## Reviews * * * KR Kiran R.Vulnerability AssessorComputer & Network Security, 51-200 employees "Reporting of results with CVSS scoring are accurate and remediation fixes are provided by this tool itself" Feb 3, 2025 PE Paolo E.Jr Penetration TesterInformation Technology and Services, 5001-10000 employees "The only flaw of Nessus is that if you don't purchase the "Tenable Web App Scanning" subscription, doing authenticated scans on web apps (especially if they implement authentication mechanisms such as SSO) presents problems, since even specifying credentials (or cookies)" Jul 25, 2023 EP Eli P.Centralized Services ManagerInformation Technology and Services, 11-50 employees "In addition to a wide of array of options for collecting and analyzing data, the ConnectWise SIEM SOC typically suggests an effective solution for any problems found." May 21, 2025 MJ Martin J.AnalystInformation Technology and Services, 2-10 employees "The feature requests and core bug fixes can feel overlooked due to limited developer responsiveness" Jul 7, 2025 ## Customer support * * * Email/Help Desk FAQs/Forum Knowledge Base Phone Support 24/7 Chat Email/Help Desk FAQs/Forum Knowledge Base Phone Support 24/7 Chat ## Training options * * * In Person Live Online Webinars Documentation Videos In Person Live Online Webinars Documentation Videos ## Popular Comparisons * * * [CyLock EVA vs Nessus](https://www.softwareadvice.com/security/cylock-anti-hacker-profile/vs/nessus/)[Orca Security vs Nessus](https://www.softwareadvice.com/network-security/nessus-profile/vs/orca-security/)[ManageEngine Vulnerability Manager Plus vs Nessus](https://www.softwareadvice.com/vulnerability-scanner/manageengine-vulnerability-manager-plus-profile/vs/nessus/)[ManageEngine Endpoint Central vs ConnectWise SIEM](https://www.softwareadvice.com/compare/117339-ManageEngine-Desktop-Central/vs/118233-perch-security/)