security audit

Nsauditor Network Security Auditor is a network security scanner that allows to audit and monitor network computers for possible vulnerabilities, checks your network for all potential methods that a hacker might use to attack it. Nsauditor is a complete networking utilities package that includes more than 45 network tools for network auditing, scanning, monitoring and more. Overall, this is a very complete package for a surprisingly low price.

Proactive Security Auditor FE (Freeware Edition) is a free, small, fast and easy to use program to assist Windows(R) system administrators and ordinary users to keep their computers secure by identifying what security updates are installed on local and remote machines, and allowing to download and install missing patches from Microsoft web site.