Kali Linux is an open-source, Debian-based Linux distribution released in March of 2013, primarily created for advanced Penetration Testing and Security Auditing. It used to be known as BackTrack Linux. Kali Linux contains hundreds of tools that perform various information security tasks, such as computer forensics, reverse engineering, security research, and penetration testing. It provides a multi-platform solution that is freely available and accessible to both professionals and hobbyists in the information technology industry.