Tenable Nessus
By Tenable
Tenable's standalone vulnerability scanner and the scanning engine used by its larger platform products. Nessus Essentials scans up to 16 IP addresses at no charge; Professional and Expert add commercial features and higher limits.
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- Product type
- Software
- Deployment
- On-premCLI
- Organization size
- IndividualSMBMid-market
- Pricing tier
- Freemium
Capability checklist
VMHow Tenable Nessus measures up against the full Vulnerability Management taxonomy.
- Asset discovery & scanning — supported
- Finds and scans devices, servers, and applications across the environment.
- Risk-based prioritization — not supported
- Ranks vulnerabilities by real-world exploitability and business impact, not just severity score.
- Remediation & patch tracking — not supported
- Tracks whether identified vulnerabilities actually get fixed over time.
- Authenticated & unauthenticated scanning — supported
- Scans with or without credentials to see deeper into configured systems.
- Compliance & benchmark reporting — supported
- Reports posture against standards like CIS benchmarks and PCI DSS.
- Ticketing & CMDB integration — not supported
- Syncs findings and asset data with IT service management systems.
Alternatives
Other Vulnerability Management tools with overlapping capabilities, sized for similar teams.