Tenable Review

Tenable is the world's leading exposure management company, trusted by over 44,000 organizations including more than 65% of the Fortune 500. The company's flagship products—Tenable Nessus, Tenable.io, and Tenable One—help security teams identify, prioritize, and remediate cyber risks across their entire attack surface. Tenable Nessus is the most widely deployed vulnerability scanner in the world, with over 2 million downloads. It provides comprehensive vulnerability assessments for IT assets, identifying misconfigurations, missing patches, and security weaknesses before attackers can exploit them. The scanner covers 100,000+ plugins and delivers accurate results with low false positives. Tenable.io extends vulnerability management to the cloud with continuous visibility across your hybrid infrastructure—including IT, OT, cloud, containers, and web applications. The platform's risk-based prioritization uses machine learning to focus teams on the vulnerabilities that matter most, considering exploit availability, threat intelligence, and business context. Tenable One, the company's exposure management platform, unifies vulnerability management, cloud security, identity security, and attack path analysis into a single view. It answers the critical question: "Are we secure?" Key integrations include ServiceNow, Splunk, AWS, Azure, and Jira for automated workflows. Pricing varies by product; Nessus Pro starts at $3,990/year. Free trial available.

Category: Security · Pricing: $3,990+/year · SaaSGuidr score: 8.3/10

Key features

• Nessus Vulnerability Scanner
• Cloud Security Posture
• Container Security
• Web App Scanning
• Attack Path Analysis
• Risk-Based Prioritization
• OT/IoT Security
• Identity Exposure
• Compliance Reporting
• 100K+ Vulnerability Plugins
• Machine Learning Analytics
• API & Integrations

Pros

• Industry leader in vulnerability management
• Trusted by 65%+ of Fortune 500
• 2M+ Nessus downloads worldwide
• Low false positive rate
• Comprehensive coverage (IT, OT, cloud)
• Free trial available

Cons

• Enterprise pricing
• Complex for small teams
• Requires security expertise
• Multiple products can overlap

Best for

• Vulnerability management
• Compliance auditing
• Cloud security posture
• Attack surface management
• Risk prioritization
• Security reporting

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Common questions

Is Tenable free?

Tenable is a paid product ($3,990+/year). Check the vendor's site for a current free trial or demo.

What is Tenable used for?

Cybersecurity and vulnerability management platform. Common uses include vulnerability management, compliance auditing, cloud security posture.

What are the main downsides of Tenable?

Reviewers most often mention: enterprise pricing; complex for small teams; requires security expertise.

What does Tenable integrate with?

Tenable integrates with ServiceNow, Splunk, AWS, Azure, Google Cloud, Jira and more.

How does Tenable score on SaaSGuidr?

Tenable scores 8.3/10 (Good) based on features, pricing value, ease of use, integrations and support.

Can I use Tenable in Canada?

Tenable is a cloud-based tool, so teams in Canada and the US can sign up online. Prices are usually shown in USD; check the vendor's checkout for CAD billing and applicable GST/HST.

Reviewed by Maya Chen, Senior Software Analyst · How we rate

Alternatives to Tenable

• Auvik – Cloud-based network management and monitoring.
• 1Password – Secure password manager for teams and individuals.
• Keeper Security – Enterprise password management and security.
• EasyDMARC – Email security with DMARC implementation.
• Tresorit – Encrypted cloud storage for sensitive data.