Backtrack v3.0 beta in the wild.
BackTrack is the result of the merging of two Innovative Penetration Testing live Linux distributions - Whax and Auditor. BackTrack has been dubbed as the best Security Live CD today, and has been rated 1st in its category, and 32nd overall in Insecure.org. Based on SLAX (Slackware), BackTrack provides user modularity. This means the distribution can be easily customised by the user to include personal scripts, additional tools, customised kernels, etc