Backtrack GNU/Linux Security Distro for Net Admins and Sys Admins
Backtrack GNU/Linux – the penetration distribution – is the highest rated and acclaimed Linux security distribution to date.
Backtrack GNU/Linux is a Linux-based penetration testing arsenal that aids security professionals in the ability to perform assessments in a purely native environment dedicated to hacking. BackTrack can be booted from a Live DVD or USB drive or installed locally.
Backtrack GNU/Linux has been customized down to every package, kernel configuration, script and patch solely for the purpose of the penetration tester.