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|Tenable Network Security|
8.1 / December 4, 2018
According to surveys done in 2009 by sectools.org, Nessus is the world's most popular vulnerability scanner, taking first place in the 2000, 2003, and 2006 security tools survey. Tenable Network Security estimated in 2005 that it was used by over 75,000 organizations worldwide.
Nessus allows scans for the following types of vulnerabilities:
Initially, Nessus consisted of two main components; nessusd, the Nessus
In typical operation, Nessus begins by doing a
Tenable Network Security produces several dozen new vulnerability checks (called plugins) each week, usually on a daily basis. These checks are available for free to the general public; commercial customers are not allowed to use this Home Feed any more. The Professional Feed (which is not free) also give access to support and additional capabilities (e.g. audit files, compliance tests, additional vulnerability detection plugins).
Optionally, the results of the scan can be reported in various formats, such as
If the user chooses to do so (by disabling the option 'safe checks'), some of Nessus' vulnerability tests may try to cause vulnerable services or operating systems to
Nessus provides additional functionality beyond testing for known network vulnerabilities. For instance, it can use