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Tenable
Vulnerability management platform for IT and cloud
167 reviews
Free tierHas API
The most trusted name in vulnerability management. Nessus is still the industry standard scanner. Cloud-native competitors are catching up on UX and speed.
What's great
- Most mature vulnerability scanner
- Broadest asset coverage
- Strong compliance reporting
Watch out for
- UI feels dated
- Complex licensing
- Cloud features lag behind Wiz/Orca
Quick Facts
Founded2002
PricingFrom $3,990/year (Nessus Pro)
Free tierYes
PlatformsWeb, On-premise
APIAvailable
CategoryCybersecurity
Q: What is Tenable?
Tenable provides vulnerability scanning and exposure management across IT infrastructure, cloud, and containers. The legacy leader now modernizing for cloud-native environments.
Q: How much does Tenable cost?
Tenable starts at $3,990/year (Nessus Pro). A free tier is available with Nessus Essentials (16 IPs).
Q: Who is Tenable best for?
Tenable is best for security teams managing complex it infrastructure.
Q: Is Tenable free?
Tenable offers a freemium model with a free tier. Paid plans start at $3,990/year (Nessus Pro).
Best for
Security teams managing complex IT infrastructure
Not ideal for
Cloud-only startups wanting modern UX
Free
Nessus Essentials (16 IPs)
Starter
$3,990/year (Nessus Pro)
Pro
Custom (Tenable.io)
Enterprise
Custom
1
2
3
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AICores Editorial Review
Reviewed by AICores Editorial Team
Last updated: May 2026
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