Nessus is the most popular vulnerability scanners used in many advanced corporate environments and also by individual pentesters. Nessus updates its plugins next day of the discovery of new vulnerability. We have tested it on Logjam and Tenable, company behind Nessus, updated their vulnerability scanner with the ability to discover logjam in 15-20 hours. Key features include remote and local (authenticated) security checks, a client/server architecture with a web-based interface, and an embedded scripting language for writing your own plugins or understanding the existing ones.Tenable has more than 70,000 plugins which gives Nessus the ability to interface with basically any networked device. In addition, Nessus can be easily integrated with most major patch management systems, which gives administrators the ability to verify that updates are installing as they should be. Nessus can also be deployed with endpoint agents, which allow vulnerability scanning to occur offline and scan results can be collected after.
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