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Threats have evolved. Get ahead of cyber risk.

Your attack surface is growing, always changing and more interconnected than ever. With specialized security tools offering an incomplete picture, it can feel impossible to answer the question, “How secure are we?”

Tenable’s approach to exposure management combines visibility across all facets of the attack surface with business context so you can accurately understand your organization’s cyber risk and prioritize mitigation.

Extend visibility. Prioritize action. Communicate risk.

Tenable One is a fully integrated cloud-based platform that takes an analytics-led approach to exposure management. It delivers the richness of the Tenable product portfolio — from vulnerability management to cloud security, identity security to external attack surface management, and more — in context to help you make better decisions based on cyber risk.

Built on Tenable Nessus, the Gold Standard in Vulnerability Assessment

Understanding your vulnerabilities is foundational to exposure management, and Nessus is at the core of Tenable One. Trusted by tens of thousands organizations worldwide to assess their modern attack surfaces, Nessus provides an accurate picture to help you do your work quickly and effectively.

Tenable Research

As the industry leader in vulnerability and exposure insight, Tenable Research backs Tenable solutions. Tenable Research helps you stay on top of the fast-moving threat landscape and get ahead of attackers.

Explore the Latest Research
82KK
Vulnerabilities assessed with 174,000+ Plugins
497
Vulnerabilities disclosed since January 2019
<24hrs
Median time for coverage of high profile issues
“Being able to prioritize what we work on in terms of vulnerabilities and threats is crucial. There’s this constant churn of awareness and stress over deciding ‘well, what do we patch first?’” Dan Bowden, CISO
  • “Being able to prioritize what we work on in terms of vulnerabilities and threats is crucial. There’s this constant churn of awareness and stress over deciding ‘well, what do we patch first?’” Dan Bowden, CISO
    “Tenable plays an important role right before deployment, after deployment, to see that the right security portion is being maintained and risks are getting mitigated.” Basant Chaturvedi, Associate Director - Information Technology
  • “It's allowed us to maintain a security posture that's generally desired in the industry and it's because we have the necessary data and the auditing capability to verify we're doing what we're supposed to.” Joseph Goodman, IT Security and Compliance Manager, Outreach and International Affairs
    “Tenable, in the new platform, has really expanded our ability as a security team to know every single asset that's out there as well as track the vulnerabilities associated with them.” Mathhew S., Security Professional
  • “The vulnerability analysis reports, which could only be offered by such a specialist vendor, and the webinars about how to make use of them are also useful, and Tenable is always helpful when we consult them.” Yu Uchida, Senior Investigator, Cyber Security Group, Cyber Security
    “I needed a tool which would talk to administrators so they would develop their security awareness and become so talented that they wouldn’t cause any new deviations. Tenable Identity Exposure's dashboards, alerts and search capabilities fit that...” Didier Cambefort, CISO
  • “We found the solution in Tenable Vulnerability Management, which gives us much-needed actionable insights ... allowing us to quickly and accurately identify, investigate and prioritize vulnerabilities.” Summet Khokhani, CISO
    “We use Tenable Vulnerability Management in house. We actually love the product. It's the staple of what we're doing in our penetration testing service...” Jon Brown, Manager, Application and Product Security Testing

Trusted by more than 40,000 customers.

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"We do in-depth research on everything. Tenable came out as the clear choice.”

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Tenable Vulnerability Management

Formerly Tenable.io

Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy.

Your Tenable Vulnerability Management trial also includes Tenable Lumin and Tenable Web App Scanning.

Tenable Vulnerability Management

Formerly Tenable.io

Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy. Purchase your annual subscription today.

100 assets

Choose Your Subscription Option:

Buy Now

Tenable Vulnerability Management

Formerly Tenable.io

Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy.

Your Tenable Vulnerability Management trial also includes Tenable Lumin and Tenable Web App Scanning.

Tenable Vulnerability Management

Formerly Tenable.io

Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy. Purchase your annual subscription today.

100 assets

Choose Your Subscription Option:

Buy Now

Tenable Vulnerability Management

Formerly Tenable.io

Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy.

Your Tenable Vulnerability Management trial also includes Tenable Lumin and Tenable Web App Scanning.

Tenable Vulnerability Management

Formerly Tenable.io

Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy. Purchase your annual subscription today.

100 assets

Choose Your Subscription Option:

Buy Now

Try Tenable Web App Scanning

Formerly Tenable.io Web Application Scanning

Enjoy full access to our latest web application scanning offering designed for modern applications as part of the Tenable One Exposure Management platform. Safely scan your entire online portfolio for vulnerabilities with a high degree of accuracy without heavy manual effort or disruption to critical web applications. Sign up now.

Your Tenable Web App Scanning trial also includes Tenable Vulnerability Management and Tenable Lumin.

Buy Tenable Web App Scanning

Formerly Tenable.io Web Application Scanning

Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy. Purchase your annual subscription today.

5 FQDNs

$3,578

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Try Tenable Lumin

Visualize and explore your exposure management, track risk reduction over time and benchmark against your peers with Tenable Lumin.

Your Tenable Lumin trial also includes Tenable Vulnerability Management and Tenable Web App Scanning.

Buy Tenable Lumin

Contact a Sales Representative to see how Tenable Lumin can help you gain insight across your entire organization and manage cyber risk.

Try Tenable Nessus Professional Free

FREE FOR 7 DAYS

Tenable Nessus is the most comprehensive vulnerability scanner on the market today.

NEW - Tenable Nessus Expert
Now Available

Nessus Expert adds even more features, including external attack surface scanning, and the ability to add domains and scan cloud infrastructure. Click here to Try Nessus Expert.

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Buy Tenable Nessus Professional

Tenable Nessus is the most comprehensive vulnerability scanner on the market today. Tenable Nessus Professional will help automate the vulnerability scanning process, save time in your compliance cycles and allow you to engage your IT team.

Buy a multi-year license and save. Add Advanced Support for access to phone, community and chat support 24 hours a day, 365 days a year.

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Try Tenable Nessus Expert Free

FREE FOR 7 DAYS

Built for the modern attack surface, Nessus Expert enables you to see more and protect your organization from vulnerabilities from IT to the cloud.

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Upgrade to Nessus Expert free for 7 days.

Buy Tenable Nessus Expert

Built for the modern attack surface, Nessus Expert enables you to see more and protect your organization from vulnerabilities from IT to the cloud.

Select Your License

Buy a multi-year license and save more.

Add Support and Training