The most advanced penetration testing distribution, ever.

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: - What's new ?

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Download the most advanced, state of the art penetration testing distribution  available. Available in 32 bit, 64 bit, and ARM flavors.


Whether you are a seasoned veteran or a novice, our multi-language documentation site will have something you need to know about Kali Linux.


Kali Linux, with its BackTrack lineage, has a vibrant and active community. We encourage active forums, bug reports, and tool suggestions.

Offensive Security

Offensive Security was born out of the belief that the only way to achieve sound defensive security is through an offensive approach.

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