Tenable Network Security has released version 5.0 of its vulnerability and configuration assessment product Nessus. Tenable Network Security is a major provider of Unified Security Monitoring tools, including Nessus, the well-known vulnerability scanner. Version 5 includes new plugin features, customized reporting with multiple filters and new report formats, new severity levels and much more.
Read about the new features here – http://blog.tenablesecurity.com/2012/02/nessus-50-released.html