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Get a Tenable Nessus activation code

To get an activation code for a Tenable Nessus product, first determine which product is right for you. Next, follow the Nessus download and activation instructions provided when you start a free trial or make a purchase. The system will guide you through securing an activation code.

Nessus Expert

Vulnerability assessment solution for security professionals, consultants, and developers who need to extend their assessment capabilities beyond traditional IT assets to include web applications and external attack surfaces.

Try for free Buy now

Nessus Professional

Vulnerability assessment solution for security professional and consultants to find and fix vulnerabilities across various operating systems, devices, and applications.

Try for free Buy now

Nessus Essentials Plus

This annual subscription is a step-up from the free license, providing a more robust set of features for individuals and students with ongoing security needs.

This version is free for verified students and educators.

Buy now I’m a student/educator

Nessus Essentials

Ideal for short-term evaluations or securing a very small network. This limited-functionality, free 30-day license provides a quick introduction to Nessus.

Register now

Nessus features comparison

All products provide accurate, high-speed asset discovery, broad vulnerability coverage and flexible deployment options for vulnerability assessment.

Vulnerability scanning

Scan unlimited IPs for vulnerabilities
Scan unlimited IPs for vulnerabilities
Scan up to 20 IPs for vulnerabilities
Scan up to 5 IPs for vulnerabilities

Plugin updates

Real-time plugin updates
Real-time plugin updates
Real-time plugin updates
30-day delay plugin updates

Reporting

Configurable reporting (PDF, HTML, CSV)
Configurable reporting (PDF, HTML, CSV)
Basic reporting (PDF and HTML)

Data export

Live results

Compliance checks

Configuration auditing

Web application scanning

External attack surface discovery

Community support

Option to purchase advanced support

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  • Tenable Nessus
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Tenable Vulnerability Management

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 Web App Scanning.

Tenable Vulnerability Management

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 for free Buy now

Tenable Vulnerability Management

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 Web App Scanning.

Tenable Vulnerability Management

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 for free Buy now

Tenable Vulnerability Management

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 Web App Scanning.

Tenable Vulnerability Management

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 for free Buy now

Try Tenable Web App 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.

Buy Tenable Web App 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

Buy Now

Request a demo

Tenable Security Center

Identify and prioritize vulnerabilities based on risk to your business. Managed on premises.

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Tenable OT Security

Close OT exposure with the unified security solution for converged OT/IT environments.

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Tenable Identity Exposure

Close identity exposure with the essential solution for the identity-intelligent enterprise.

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Tenable Cloud Security

Close cloud exposure with the actionable cloud security platform.

Request a demo

Tenable One

The world’s leading AI-powered exposure management platform.

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Tenable AI Exposure

See, secure, and manage how your teams use AI platforms.

Request a demo

Tenable Attack Surface Management

Gain visibility into your internet-connected assets to eliminate blind spots and unknown sources of risk.

Request a demo

Tenable Enclave Security

Know, expose and close IT and container vulnerabilities.

Try for free Buy now

Try Tenable Nessus Professional free

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

Fill out the form below to continue with a Nessus Pro trial.

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.

Select your license

Buy a multi-year license and save.

Add support and training
Buy Now
Renew an existing license Find a reseller
Try for free Buy now

Try Tenable Nessus Professional free

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

Fill out the form below to continue with a Nessus Pro trial.

Buy Nessus Pro

Adopt the gold standard in vulnerability assessment to find and fix security gaps across your IT environment.

1 year license
$4,790
Buy now
Renew a license Find a reseller or distributor
  • Real-time vulnerability updates
  • Unlimited vulnerability scanning
  • Pre-built policies for configuration & compliance audits
  • Vulnerability scoring for prioritization
  • Configurable reports
  • Flexible deployment
Choose multi-year license and save
Save
with 2 years
$9,330.95
Buy now
Save
with 3 years
$13,637.54
Buy now
Try for free Buy now

Try Tenable Nessus Expert free

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

Already have Tenable Nessus Professional?
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
Buy Now
Renew an existing license Find a reseller
Try for free Buy now

Try Tenable Nessus Expert free

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

Already have Tenable Nessus Professional?
Upgrade to Nessus Expert free for 7 days.

Buy Nessus Expert

Expand your vulnerability assessment with advanced functionality that includes web app scanning and external attack surface discovery scanning.

1 year license
$6,790
Buy now
Renew a license Find a reseller or distributor
  • Real-time vulnerability updates
  • Unlimited vulnerability scanning
  • Web app scanning (5 FQDNs)
  • External attack surface discovery scanning (5 domains)
  • Pre-built policies for configuration & compliance audits
  • Vulnerability scoring for prioritization
  • Configurable reports
  • Flexible deployment
Choose multi-year license and save
Save
with 2 years
$13,208.13
Buy now
Save
with 3 years
$19,304.19
Buy now
Request a demo

Tenable Patch Management

Streamline security and IT collaboration and shorten the mean time to remediate with automation.