Tenable Nessus Professional

Nessus Professional is the industry-standard vulnerability assessment solution trusted by millions of security professionals, penetration testers, and system administrators worldwide to identify, investigate, and remediate cybersecurity vulnerabilities across IT infrastructure. Powered by the world renowned Tenable Research team, Nessus Professional delivers high-speed, accurate vulnerability scanning with industry-low false positive rates, helping practitioners uncover unpatched operating system flaws, software weaknesses, missing patches, and security misconfigurations across diverse networked devices.

The scanner features a comprehensive library of over 190,000 vulnerability plugins, with new threat signatures published within hours of disclosure. Key capabilities include high-speed asset discovery, credentialed and non-credentialed network vulnerability scanning, configuration compliance auditing against CIS Benchmarks and DISA STIGs, malware and back-door detection, sensitive data discovery (credit cards, SSNs), and customizable reporting. With unlimited IP scanning per license and portable deployment options, security consultants and administrators can easily deploy Nessus Professional to assess corporate networks, remote offices, and isolated test environments.

Nessus Professional integrates with enterprise ticketing systems, SIEM platforms, CSV/XML data parsers, and Tenable centralized management solutions. Core use cases include conducting periodic internal vulnerability audits, performing pre-engagement penetration testing discovery, validating system hardening configurations, and demonstrating compliance with PCI-DSS internal scanning mandates. Nessus Professional delivers unmatched vulnerability detection accuracy, extensive plugin coverage, and reliable scanning performance.