Tenable Nessus® Professional

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Tenable Nessus® Professional is an industry-leading vulnerability scanner, enabling organizations to identify and remediate system and application-level vulnerabilities quickly and accurately. The scanner includes a range of powerful features, such as automated workflows, integrated reporting, and compliance checks. It's designed to help organizations reduce risk and protect their systems from threats.

Easy-to-Deploy, Easy-to-Use

A fully portable vulnerability assessment solution that can be deployed virtually anywhere. Policy creation is simple and only requires a few clicks to scan an entire corporate network.

Advanced Detection Means More Protection

65K CVEs – the most in the industry. Nessus scans more technologies and uncovers more vulnerabilities than competing solutions.

Cost Effective for Companies of All Sizes

Cost effective for any consultant or team, Nessus provides complete vulnerability scanning with unlimited assessments for one low price.

Accurate Visibility Into Your Networks

Nessus identifies the vulnerabilities that need attention with high-speed, accurate scanning, and highlights which vulnerabilities should be addressed first.

The Power of the Tenable Zero Day Research Team

Tenable researchers leverage extensive intel sources. Find and provide protection from the latest threats via new plugins.

The Power of Tenable Grows With You

With operability across Tenable’s product portfolio, easily migrate to Tenable Vulnerability Management, leverage the additional insights of Tenable OT Security for your industrial environment, or combine with the rest of Tenable the solutions as your vulnerability management needs increase.

Nessus is the world’s No. 1 vulnerability scanning solution. Learn more about its power by exploring how Tenable customers put it to work in a variety of critical situations.


Network penetration testers play a unique role in the IT security ecosystem.

Before executing full-fledged breach simulations that unveil how attackers can exploit specific weaknesses, pen testers often use Nessus first to identify exactly where those major vulnerabilities are hiding.

Students in cybersecurity education programs are invaluable to this highly specialized field.

Professors leading vulnerability assessment or vulnerability management courses use Nessus as a foundational tool. Its remarkable ease of use helps students quickly get acclimated to the essentials of uncovering vulnerabilities.

Cybersecurity consultants play pivotal roles in a constantly shifting threat and vulnerability landscape.

Cybersecurity consultants use Nessus to scour clients’ networks for vulnerabilities and create comprehensive reports that summarize security posture and contain key suggestions for remediation.

In years past, small and medium-sized businesses might have considered themselves effectively immune to cyberattacks.

Even the smallest companies that lack full-time cybersecurity staff can stay on top of vulnerabilities with Nessus, customizing comprehensive scans to meet unique business needs.

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