Large enterprises (1,000+ employees) wanting best-of-breed VM with the broadest scanner coverage, deepest auditor familiarity, and a credible exposure-management consolidation path via Tenable One.
Cloud-native-only shops (Wiz better agentless graph), Microsoft 365 E5-anchored shops (Defender VM bundled cheaper), or developer-first engineering-led security programs (Snyk better SCA fit).
Is Tenable Nessus / Tenable One a trustworthy vendor?
- 2021-04-19Acquired Alsid (now Tenable Identity Exposure); identity-VM extension
- 2024-06-12Tenable One platform GA expanded with attack-path analysis improvements
- 2025-01-18CEO transition announced; Steve Vintz and Mark Thurmond named co-CEOs after Amit Yoran medical leave
- 2025-09-22Pricing increases reported at 8-12% for renewing customers
What 1,840 reviews actually say
Synthesized from G2, Capterra, Reddit, Trustpilot. Patterns >15% prevalence shown.
Praise patterns
- Largest plugin library and broadest scan coverage87% →
- Strong auditor familiarity in regulated industries78% →
- Tenable One exposure-management roadmap most credible64% ↑
- Mature on-prem deployment via Tenable Security Center51% →
Complaint patterns
- Per-asset pricing escalates meaningfully at scale71% ↑
- Management UX accumulated complexity across product layers47% →
- Cloud-native VM trails Wiz on agentless graph depth41% ↑
- Annual price increases reported by renewing customers38% ↑
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“Nessus is the scanner every auditor recognizes, that alone is worth a meaningful chunk of the budget for any regulated org.”
Director of Security, Financial Services (5,000-10,000 employees)· G2 · 2026-03-18
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“Tenable One is the most credible exposure-management story on the market, but rolling it out is a multi-quarter project, budget for the services hours.”
VP Security, Healthcare (10,000+ employees)· Gartner Peer Insights · 2026-02-22
What buyers actually pay
287 anonymized deal disclosures · last updated 2026-05-01
| Company size | Median annual |
|---|---|
| 500-2,500 assets | $28,000 |
| 2,500-10,000 assets | $96,000 |
| 10,000+ assets | $360,000 |
Auto-verified certifications
Editorial: Strengths
- Largest plugin library in the category (200,000+ plugins)
- Broadest scan coverage (IT, OT, IaaS, web apps, identity)
- Most credible exposure-management roadmap (Tenable One + attack-path analysis)
- Best for 1,000+ employee enterprises
- Deepest auditor familiarity (PCI, FedRAMP, CIS) in regulated industries
- Public company financial transparency
- FedRAMP Moderate authorized
Editorial: Weaknesses
- Per-asset pricing escalates meaningfully at scale
- Management UX accumulated complexity across product layers
- Cloud-native VM coverage trails Wiz on agentless graph depth
- Annual price increases of 8-12% reported by renewing customers
- Tenable One adoption requires meaningful re-architecture
Key features & integrations
- +Nessus scanner (200,000+ plugins)
- +Tenable Vulnerability Management (cloud)
- +Tenable One exposure-management platform
- +Attack-path analysis (Tenable One)
- +Web App Scanning (Tenable.was)
- +Container Security (Tenable Container Security)
- +OT/ICS scanning (Tenable.ot)
- +Identity Exposure (Tenable Identity Exposure / formerly Alsid)
Read our full ranking of Vulnerability Management Software
Tenable Nessus / Tenable One ranks #1 in our editorial review of 10 vulnerability management software platforms. The deep-dive covers methodology, comparison tables, decision matrix, migration scoring, and FAQs.
Read the full rankingClosest alternatives in Vulnerability Management Software
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