The source code of one of the world's most popular free security tools will no longer be available to all, its creator has announced, saying the software's open-source license was fueling competition.

When it comes to network security, most of the tools to test your network are pretty complex. Nessus isn’t new, but it definitely bucks this trend. It’s incredibly easy to use, works quickly, and can ...

Vulnerability assessments are a crucial aspect of our overall information security program. We use Nessus, a port scanner that’s available free on the Internet, to conduct assessments of our ...

Tenable's Nessus active scanner with its Passive Vulnerability Scanner (PVS) captures vulnerabilities in static assets, transient systems and cloud access, reducing exposure to zero-day disclosed ...