Close Your Cyber Exposure Gap with Nessus

Tenable products help you accurately identify, investigate and prioritize vulnerabilities. Secure your cloud, containers, OT devices and traditional IT assets.

Nessus Expert

The #1 VA Solution

The most trusted vulnerability assessment solution now featuring Infrastructure as Code (IaC) and External Attack Surface Assessment!
Nessus Professional

#1 in Vulnerability Assessment

The industry-leading
vulnerability scanner.

Built for the Modern Attack Surface

As your attack surface evolves, you need a vulnerability assessment solution that goes beyond just your traditional IT assets.

Disrupt Attack Paths

Stay a step ahead of attackers with the #1 vulnerability assessment solution.

Nessus Expert enables you to see more in order to protect your organization, secure your cloud environments and gain visibility into your Internet-facing assets.

Nessus Expert provides coverage for:

IT Assets

IT Assets

Infrastructure as Code (IaC)

Infrastructure as Code (IaC)

External Attack Surface Management (EASM)

External Attack Surface Management (EASM)

Nessus Expert is ideal for:

Consultants

Consultants

Pen Testers

Pen Testers

Developers

Developers

Security Practitioners

Security Practitioners

Nessus Professional is an efficient and easy to use tool that provides fast, comprehensive and accurate point-in-time vulnerability scans for traditional IT assets.

Trusted by security practitioners as the industry leader for vulnerability assessment. Nessus Professional was built by practitioners and is ideal for:

Consultants

Consultants

Pen Testers

Pen Testers

Security Practitioners

Security Practitioners

Nessus Professional provides coverage for:

IT Infrastructure

IT Infrastructure

Tenable Protects over 40,000 Organizations and 60% of the Fortune 500

The Industry Standard

Discover, assess, and audit IT and cloud environments.

Nessus Expert is the industry’s first vulnerability assessment solution that assesses both traditional IT assets and the dynamic modern attack surface including cloud resources, mobile devices and the unknown external attack surface.

Discover Assess Audit

Nessus Expert allows you to see more and protect your organization.

See More and Protect Organization

Nessus Expert allows you to take a broader approach in assessing your attack surface that goes beyond traditional IT infrastructure with Infrastructure as Code (IaC) deployments and internet facing assets.

Assess and audit IT networks and cloud environments.

Assess and audit IT networks and cloud environments.

Nessus Professional is the industry gold standard - #1 in coverage, accuracy and adoption. The fast, easy way to find vulnerabilities before your attackers.

Assess Audit IT networks and Cloud Environments

Accurate Visibility Into Your Networks.

Accurate Visibility Into Your Networks

Accurate Visibility Into Your Networks.

Fast, comprehensive and accurate point-in-time vulnerability scans for traditional IT assets.

Hear From Our Customers

Matthew S
Evan L
Dustin L
Matthew S
Dustin L
Evan L
Designed for
Real-time vulnerability updates
Vulnerability scanning
External attack surface scanning
Ability to add domains
Scan cloud infrastructure
Compliance audits of cloud infrastructure
Nessus Professional
Pentesters, consultants, and SMB’s
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Checkmark Cross
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Nessus Expert
Pentesters, consultants, developers, and SMB’s
Checkmark Checked
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Checkmark Checked 5 domains per quarter
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500 prebuilt policies
Enterprise G2 Grid® for Vulnerability Scanner Software
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Predict What Matters

Industry's most comprehensive vulnerability coverage with real-time continuous network assessment.

Try Now
Predict What Matters

Industry's most comprehensive vulnerability coverage with real-time continuous network assessment.

Try Now
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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 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

Promotional pricing ends September 30th.
Buy a multi-year license and save more.

Add Support and Training

Try for Free Buy Now

Try Nessus Professional Free

FREE FOR 7 DAYS

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

Buy Nessus Professional

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

Select Your License

Buy a multi-year license and save.

Add Support and Training