Kali Linux is a Debian-derived Linux distribution designed for digital forensics and penetration testing. It is maintained and funded by Offensive Security Ltd. It was developed by Mati Aharoni and Devon Kearns of Offensive Security through the rewriting BackTrack, their previous forensics Linux distribution
Since Kali Linux 2016 came out (also known as Kali Rolling), it seems that Official VirtualBox guest addition doesn’t work well anymore. It also created lots of confusion and debate …