What is Nessus?

Nessus Professional, developed by Tenable, is widely regarded as the de-facto industry standard for vulnerability assessment. Built by security practitioners, it performs in-depth, point-in-time scans to identify a vast range of security issues including software flaws, missing patches, malware, and configuration errors. It streamlines the assessment process with features like pre-built policies, templates, and real-time updates, making complex vulnerability management tasks more accessible and efficient for security teams.

Who it's for:

Nessus is the tool of choice for security professionals, penetration testers, and IT auditors in organizations of all sizes who need a reliable, comprehensive, and trusted solution to discover and prioritize vulnerabilities across their networks.

Our verdict:

Nessus remains a powerhouse in vulnerability scanning, combining depth, reliability, and usability, which justifies its longstanding reputation as an essential tool for security practitioners.