From the creators of BackTrack comes Kali Linux, the most advanced and versatile penetration testing distribution ever created. BackTrack has grown far beyond its humble roots as a live CD and has now become a full-fledged operating system. With all this buzz, you might be asking yourself:
http://www.kali.org/downloads/
[update 2017.11.30]
Kali Linux is a Debian-derived Linux distribution designed for digital forensics and penetration testing. It is maintained and funded by Offensive Security Ltd. Mati Aharoni, Devon Kearns and Raphaël Hertzog are the core developers.
Kali Linux includes security tools, such as:[13]
- Aircrack-ng
- Burp suite
- Cisco Global Exploiter, a hacking tool used to find and exploit vulnerabilities in Cisco Network systems
- Ettercap
- John the Ripper
- Kismet
- Maltego
- Metasploit framework
- Nmap
- OWASP ZAP
- Social engineering tools
- Wireshark
More details could be find here:
Finally I would mention that Mr Ghaznavi-Zadeh published a chapter from his book "Kali Linux – A guide to Ethical hacking" and it is available for free here:
Finally here it is Kali Linux video website presentation: