Top 10 Operationg Systems for Ethical Hackers and Penetration testers

By | August 6, 2021

Hackers have to good knowledge in Linux, it has a collection of tools that will use while doing pen-testing.

These are the top 10 Operating Systems used by hackers and penetration testers.

Kali Linux:

Kali Linux is the most widely used operating systems, developed by Offensive Security as the rewrite of  BackTrack, The Debian based OS comes with 500+ pre-installed tools. Kali Linux comes with regular updates, we can use Kali Linux as a Live Machine without Installing.

Download Kali Linux


Parrot Security OS:

Parrot Security Os is a Debian based OS is developed by  Frozenbox’s team. it uses MATE as its Desktop environment, it has almost every tool that penetration tester wants, it comes with Anon Surf by this every traffic going from the system will be Anonymous.

Download Parrot OS


Black Arch:

Black Arch is a penetration testing distribution based on Arch Linux that provides a large number of cybersecurity is an open-source distro created especially for penetration testers and security researchers. The repository contains more than 2400 tools that can be installed individually or in a group.

Download: Black Arch


Black Box:

Black Box  is an Ubuntu-based Operating system created by  Bradley T. Hughes, written in C++, contain complex Original code and  freely available under the MIT license, it compatible with both KDE and GNOME

Download Black  Box


DEFT Linux:

DEFT (Digital Advanced Response Toolkit ) is a free software based on Ubuntu for uses related to computer forensics and computer security, it first released in 2005.

Download DEFT Linux


Network Security Toolkit:

Network Security Toolkit is a free and open-source computer security and networking tools to perform routine security and networking diagnostic and monitoring tasks. it comes under fedora Linux Distribution

The main intent of developing this toolkit was to provide the security professional and network administrator with a comprehensive set of Open Source Network Security Tools, it can be used as a network security analysis validation and monitoring tool on enterprise virtual servers hosting virtual machines.

Download Network Security ToolKit



Bugtraq was created on November 5, 1993, by Scott Chasin

Available in Debian, Ubuntu, and OpenSUSE, Bugtraq is famous for its electronic mailing list that is purely dedicated to computer security. The issues that are covered are vulnerability discussion, security-related announcements, exploitation methods, etc.

Bugtraq comes with tons of pen testing tools including mobile forensic tools, malware testing tools and other software developed by the Bugtraq-Community.

Download Bugtraq


Samurai Web Testing Framework:

The Samurai Web Testing Framework is a virtual machine, supported on VirtualBox and VMWare, that has been pre-configured to function as a web pen-testing environment. The VM contains the best of the open-source and free tools that focus on testing and attacking websites. In developing this environment, we have based our tool selection on the tools we use in

Download Samurai Web Testing Framework


Pentoo is a Live CD  and Live USB designed for Penetration testing and security assessment. Based on Gentoo Linux. Pentoo is provided both as 32 and 64 bit installable live CD. Pentoo is also available as an overlay for an existing Gentoo installation. It features packet injection patched wifi drivers, GPGPU cracking software, and lots of tools for penetration testing and security assessment.

download Pentoo



CAINE stands for computer-aided investigative environment, started in 2008, it is a  UBUNTU based OS

CAINE is a professional open-source forensic platform that integrates software tools as modules along with powerful scripts in a graphical interface environment. Its operational environment was designed with the intent to provide the forensic professional with all the tools required to perform the digital forensic investigation process.

Download CAINE



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