In addition to Kali Linux, Passive Security maintains the Exploit Database and its free online course, Metasploit Unleashed. Prepared for Kali Linux users, formerly called BackTrack, BackTrack is a program that meets all your computer's security needs. BackTrack, which is a combination of Whax * and Auditor ** and designed to meet the security needs in the best way, is mostly preferred by advanced Linux users. With the new version, novice users can take advantage of BackTrack.