In these links, you will find more information and the official documentation for nessus and nexpose:
- https://docs.tenable.com/nessus/Content/GettingStarted.htm
- https://nexpose.help.rapid7.com/docs/getting-started-with-nexpose
- https://help.rapid7.com/insightvm/en-us/api/index.html
Today, there are a lot of tools for vulnerability scanning. Nessus, Seccubus, openvas, the well-known Nmap scanner, and even OWASP ZAP are some of the most popular for scanning vulnerabilities to networks and computer systems:
Open Vulnerability Assessment System (OpenVAS) is a free security-scanning platform, with most of its components licensed under the GNU General Public License (GNU GPL). The main component is available through several Linux packages or as a downloadable virtual application for testing/evaluation purposes.
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