

Detection of missing security updates and patches.Simulated attacks to pinpoint vulnerabilities.Detection of security holes in local or remote hosts.Significant capabilities of Nessus include: The Nessus server is currently available for: Software flaws, missing patches, malware and misconfiguration errors across a wide range of operating systems, devices and applications are dealt with by Nessus. Default passwords, a few common passwords, and blank/absent passwords on some system accounts.


Nessus is an open-source network vulnerability scanner that uses the Common Vulnerabilities and Exposures architecture for easy cross-linking between compliant security tools. Tenable also contains what was previously known as Nessus Cloud, which used to be Tenable’s Software-as-a-Service solution. Tenable.io is a subscription-based service. Nessus is a proprietary vulnerability scanner developed by Tenable, Inc.
