Tenable Network Security announced the general availability of a virtual appliance for the Nessus Vulnerability Scanner. Tenable's Nessus Virtual Appliance for VMware is a pre-built, pre-configured and ready-to-run software application packaged with the operating system inside a virtual machine. This is available to Tenable ProfessionalFeed subscribers as a free download and the virtual appliance is easily deployed in under 10 minutes -- reducing infrastructure cost/complexity, simplifying deployment and maximizing ROI in VMware environments. read more