Today’s operating system ranking is dedicated to the most popular, specialized operating systems from the Linux, BSD, Solaris, AROS, DOS, and other independent families that offer a ready-to-use penetration system. The list includes the systems that most caught your attention on Linuxiarze.pl over the last 12 months.
The ranking takes into account page views, downloads, and comments. Systems that are not yet being developed but are still of interest to our readers are also included.
1. Kali Linux

Kali Linux is a specialized Linux distribution for security testing and cracking. The system is based on the Debian testing branch and features the GNOME desktop.
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2. Parrot Security OS

Parrot Security OS is a specialized Linux distribution designed for penetration testing, computer forensics, cracking, cloud security testing, privacy/anonymity, and cryptography.
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3. DEFT Linux

DEFT Linux is a specialized Linux distribution designed for forensic computer analysis – computer forensics and penetration testing. The tools included in the system allow you to open encrypted files and recover deleted data.
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Inactive project.
4. BackTrack

Back|Track is a specialized Linux distribution used for security testing and cracking. Initially (from 2004 to 2010), it was built on the Slax distribution. It was then ported to Debian, and with version 5 (2011), it was ported to Ubuntu.
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Inactive project.
5. BlackBuntu

Blackbuntu is an Ubuntu-based Linux distribution designed specifically for penetration testing and digital forensics. By attacking targets by deploying malicious operations to the system, the Blackbuntu distribution was created to provide a safe and secure environment.
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6. BlackArch Linux

BlackArch is a specialized Linux distribution designed for penetration testing and network security. It is built and fully compatible with Arch Linux.
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7. Predator OS

Predator OS is a security-focused, free, open-source project based on Debian (formerly Ubuntu), designed for penetration testing and ethical hacking. The system also offers enhanced privacy, a hardened Linux kernel, security, and anonymity.
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8. BackBox

BackBox is a specialized Linux distribution designed for testing network security and conducting penetration tests. Built on Ubuntu with the default Xfce desktop.
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9. Bugtraq

Bugtraq is a specialized Linux distribution based on kernels 3.2 and 3.4, available for 32-bit and 64-bit machines. The system comes pre-installed with a wide range of applications and tools for conducting penetration tests and analyzing computer content.
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10. Tsurugi

Tsurugi Linux is a specialized Ubuntu-based Linux distribution (64-bit with a custom kernel) designed for DFIR investigations, malware analysis, and OSINT.
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Project inactive.
A full list of penetration operating systems can be found at: https://linuxiarze.pl/dystrybucje-penetracyjne/
Ten post jest dostępny również w języku polskim: https://linuxiarze.pl/top-10-penetracyjne-systemy-operacyjne-2025/
