Tenable is a leading cybersecurity platform providing vulnerability management, cloud security, and exposure management solutions for enterprise organizations. Its flagship products Tenable.io and Tenable.sc (formerly SecurityCenter) continuously scan networks, cloud environments, and endpoints to identify vulnerabilities before attackers exploit them. Trusted by over 44,000 organizations globally including 60% of the Fortune 500, Tenable provides risk-based prioritization to help security teams focus on the vulnerabilities that matter most to their business.
Tenable
Enterprise vulnerability management platform.
Best for: Enterprise security teams who need comprehensive vulnerability management across IT, OT and cloud environments.
- Free trial
4.5/5 ratingEditorial score 87/100tenable.com
Starts at
Free (16 IPs)
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Editorial score87/100
The editorial note
What to know about Tenable
Is it right for you?
Who Tenable suits
Choose it if
- Enterprise security teams who need comprehensive vulnerability management across IT, OT and cloud environments.
Look elsewhere if
- Small teams with limited security budgets — Qualys or Rapid7 InsightVM offer comparable vulnerability management at lower cost, while free tools like OpenVAS are sufficient for organizations with minimal compliance requirements
What you get
Key features
- Continuous vulnerability scanning
- Risk-based vulnerability prioritization (VPR)
- Cloud security posture management
- OT/ICS security monitoring
- Web application scanning
- Identity exposure detection
- Attack path analysis
- Compliance reporting
Works with
Integrations8
What it costs
Pricing
| Plan | Price | What it includes |
|---|---|---|
| Nessus Essentials | Free (16 IPs)Billed monthly | Free vulnerability scanner for up to 16 IPs — ideal for students and hobbyists |
| Nessus Expert | $5,895 / yearBilled yearly | Unlimited IPs, external attack surface scanning, IaC scanning, advanced compliance |
| Tenable.io Enterprise | CustomBilled monthly | Cloud-based exposure management, container security, web application scanning |
Prices are recorded from the vendor's public pricing page and can change. Check before you buy.
The trade-off
Pros and cons
Pros
- Largest vulnerability database with 230,000+ CVEs and continuous Nessus plugin updates
- Risk-based prioritization using VPR (Vulnerability Priority Rating) reduces alert fatigue significantly
- Tenable One platform unifies exposure data from IT, OT, cloud, web apps, and identity systems
- Strong OT/ICS coverage through Tenable OT (formerly Indegy) for industrial security needs
- Lumin Exposure View provides business context to vulnerability data for executive reporting
Cons
- High licensing cost makes it less accessible for small to mid-size organizations
- Complex pricing tiers across multiple products (io, sc, OT, Web App, AD) creates confusion
- Steep learning curve — full platform capability requires significant configuration investment
- Agent-based scanning can create performance overhead on endpoints at scale
Quick read
At a glance
- Category
- Cybersecurity & Privacy
- Pricing model
- Subscription
- Entry plan
- Free (16 IPs)
- Free plan
- Not listed
- Free trial
- Available
- Website
- tenable.com
The verdict
Our take on Tenable
The vulnerability management industry leader — Nessus scanner and 44,000 customers making Tenable the most trusted platform.
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