CISSP related - Network Security Audit Softwares

McAfee Foundstone

http://www.foundstone.com/
Foundstone practice is one of the world's foremost authorities on information security. Whether through strategic consulting, technology consulting, education, or a combination of all three, McAfee Foundstone delivers strategic solutions to security challenges, going well beyond a short-term fix. Our security experts make sure you have the right processes and procedures in place, the most effective tools to support those processes and procedures, and the education to make it all work together effectively and seamlessly.

Tenable Nessus

http://www.tenable.com/products/nessus/nessus-product-overview
or security practitioners who assess complex enterprise networks for security flaws and compliance issues, Nessus is the world's most widely-deployed vulnerability and configuration assessment product. With more than five million downloads to date, Nessus features high-speed discovery, configuration auditing, asset profiling, sensitive data discovery, patch management integration, and vulnerability analysis of your security posture. Nessus scanners may be distributed throughout an entire enterprise, inside DMZs, and across physically separate networks.