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How often ChatGPT mentions Nessus Professional for vulnerability management software, and how it stacks up against the tools that dominate the answers.

25%

of AI answers mention Nessus Professional

#5.0

avg rank when mentioned

1/1

questions it appears in

mentions tracked

The takeaway: Nessus Professional is named in only 25% of relevant answers (rank #5.0 when it does appear). The visibility gap is the opportunity.

How Nessus Professional compares

Share of ChatGPT answers naming each tool, same 1 questions.

#	Tool
1	Tenable Vulnerability Management	100%
2	Microsoft Defender Vulnerability Management	100%
3	Rapid7 InsightVM	100%
4	Qualys VMDR	100%
5	ManageEngine Vulnerability Manager Plus	50%
6	CrowdStrike Falcon Exposure Management	25%
7	Greenbone OpenVAS	25%
8	Nessus Professional ← this tool	25%

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Where Nessus Professional shows up

The questions where ChatGPT currently names Nessus Professional.

Best vulnerability management software

A sample answer mentioning Nessus Professional

Prompt: Best vulnerability management software · ChatGPT · 2026-08-12

If you mean enterprise vulnerability management (VM) rather than just a vulnerability scanner, my 2026 shortlist is:

Rank	Platform	Best for	My take
1	Tenable One / Tenable VM	Best overall	⭐ Strongest all-around choice
2	Qualys VMDR	Large, complex environments	Excellent asset discovery + broad coverage
3	Rapid7 InsightVM	VM + remediation workflows	Very good prioritization and reporting
4	Microsoft Defender Vulnerability Management	Microsoft-heavy environments	Great if you're already invested in Defender
5	ManageEngine Vulnerability Manager Plus	SMB / mid-market	Strong value, especially when patching is a priority
6	Nessus Professional	Scanning / smaller teams	Excellent scanner, but less of a full VM program

🥇 Best overall: Tenable

Tenable Vulnerability Management is my default recommendation if you're buying a dedicated enterprise VM platform. Tenable has particularly strong vulnerability coverage and has expanded from traditional VM into exposure management, correlating vulnerabilities with cloud, identity, web-app, OT and other attack-surface data. www.tenable.com

When I'd choose the others

Qualys VMDR — I'd shortlist this for a very large organization that wants broad asset discovery, endpoint/cloud coverage and a mature agent-based approach.
Rapid7 InsightVM — compelling when your priority is turning findings into remediation workflows rather than simply generating scan reports.
Microsoft Defender Vulnerability Management — especially attractive if most endpoints are Windows and you're already using the Microsoft security stack; the integration can make it substantially easier to deploy and operate.
ManageEngine Vulnerability Manager Plus — worth a serious look for smaller organizations because it combines vulnerability assessment with patch-management capabilities. It has also been recognized as a free option for up to 25 devices. www.techradar.com
Nessus — excellent if what you primarily need is high-quality vulnerability scanning, rather than a full exposure-management program.

One important point: don't choose based on CVE count or scanner accuracy alone. The better modern VM programs prioritize vulnerabilities using exploitability, asset criticality, exposure and business context rather than simply sorting thousands of findings by CVSS. Research and practitioner discussions increasingly emphasize this distinction. arxiv.org

If I were evaluating three products today, I'd demo Tenable, Qualys, and Rapid7 first. That's also consistent with current practitioner comparisons, where those three remain the dominant traditional VM choices. www.reddit.com

If you tell me your company size, number of endpoints/servers, cloud (AWS/Azure/GCP), and approximate budget, I can narrow this down to the best 2–3 options and compare pricing, features, agents, scanning, prioritization, and remediation.