Why Upgrade to Nessus 3?
for more information about the performance advantages between Nessus 3 and Nessus 2. In addition, Nessus 3 includes a lot of technologies not available in Nessus 2, such as Windows and UNIX configuration audits, Microsoft WMI queries, enhanced reporting, support for modern operating systems and much more.
Nessus 3 is an evolutionary step compared to Nessus 2. While Nessus 3 retains a lot of things in common compared to Nessus 2, performing an upgrade is a task which should not be considered lightly. This article explains what improvements Nessus 3 brings to the table and why you probably want to upgrade.