BackTrack has grown from a personal side project to over 5 million downloads. New EDB Research and Development team is now working on vulnerability discovery and development. BackTrack is now backed by the world’s number one information security training provider. Backtrack 5 lands you at the end with the release of BackTrack 5 in February 2011. The world’s leading penetration testing distribution and world’s. #1 resource for Exploit Release are being backed by. world’s #1. information security. training provider.
Source: https://thehackernews.com/2010/12/hey-hackers-get-ready-for-backtrack-5.html