It includes some of the most used security and analysis Linux tools, aiming to a wide spread of goals, ranging from web application analysis to network analysis, from stress tests to sniffing, including also vulnerability assessment, computer forensic analysis and exploitation. if you want to know more about Kali Linux then i recommend you read my previous article: An Introduction To Hacker’s OS Kali Linux And Setup Tutorial. Kali updates its tools and it is available for many different platforms like VMware and ARM.

Kali Linux is the most versatile and advanced penetration testing distro. Mati Aharoni and Devon Kearns of Offensive Security developed it by rewriting BackTrack. It is maintained and funded by Offensive Security Ltd. Kali Linux is a Debian-derived Linux distribution designed for digital forensics and penetration testing. Recommended: Become a Hacker: Best 20 Tips for Beginners to Start Learning I am recommending you to read my earlier post to understand more about Linux distros related to hacking security: Linux Powerful Distros For Hacking Or Security: Kali, Tails And Qubes The listed operating systems are here based on Linux kernel so it is all free operating systems. i am not including BackTrack on this list because it is no more available officially on their website and the next version of BackTrack is Kali Linux.

the top Os on this list is my favorite Linux distro Kali Linux because it is very popular in pentesting and it is developed by the same team of BackTrack (Offensive security). Today we are discussing about top 15 advanced operating systems which has great penetration testing or ethical hacking tools.

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