Kali Linux
The most advanced Penetration Testing Distribution. Ever.
Kali Linux is an open-source, Debian-based Linux distribution for information security work, including penetration testing, security research, computer forensics, and reverse engineering. It provides a platform with security tools pre-installed and configured, reducing the setup work required before an assessment. The distribution is available across many hardware and deployment formats, including ARM devices, bare metal, cloud providers, containers, virtual machines, USB, mobile devices, and Windows Subsystem for Linux.
Key features include ISO customization through metapackages and live-build, live USB boot with optional encrypted persistence, Kali Undercover for discreet use, Win-KeX for a desktop experience on WSL, and Kali NetHunter for Android devices. The platform includes tools such as Aircrack-ng, Burp Suite, Hydra, John the Ripper, Maltego, Metasploit Framework, Nmap, Responder, sqlmap, Wireshark, NetExec, FFUF, Empire, and Starkiller. Desktop environments include Xfce, GNOME Shell, and KDE Plasma. Kali Linux is free and open-source, with no paid editions or seat-based licensing described.
12 alternatives to Kali Linux
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