whether you are a security professional or a hacker, for them it is very crucial to have a security-focused operating system. In this article, we discus about top 5 best operating systems which can be used for ethical hacking and penetration testing in 2020.


BackBox is a Ubuntu-based Linux distribution for penetration testing and security assessment. It has been built on the Ubuntu core system and it is fully customized, designed to be one of the best penetration testing and security distribution. It includes some of the most commonly known/used security and analysis tools, aiming for a wide spread of goals, ranging from web application analysis to network analysis, stress tests, sniffing, vulnerability assessment, computer forensic analysis, automotive and exploitation.  

Initial release date: 9 September 2010

Default user interface: Xfce

Kernel type: Linux

OS family: Linux (Unix-like)

Source model: Open-source software

Latest release: 6 / June 11, 2019

BackBox is a penetration test and security assessment oriented Ubuntu-based Linux distribution providing a network and informatics systems analysis toolkit. It includes a complete set of tools required for ethical hacking and security testing.


CAINE Linux stands for computer aided investigative environment and is an Italian Linux live distribution. Actual Project Manager is Giovanni "Nanni" Bassetti. It is as a digital forensics project started in 2008. ComputerAidedINvestigateEnvironment (CAINE) is a Linux-based live distribution created for digital forensics project. This distro offers a complete forensic environment which is organized to integrate existing software tools as software modules and to provide a friendly graphical interface. The main design objectives that CAINE aims include an interoperable environment which supports the digital investigator during the four phases of the digital investigation, a user-friendly graphical interface including user-friendly tools.


Parrot OS, the flagship product of Parrot Security is a GNU/Linux distribution based on Debian and designed with Security and Privacy in mind.

Parrot Security operating system is a Debian-based Linux distribution built by Frozen box Network for cloud oriented penetration testing. It is a comprehensive, portable security lab that you can use for cloud pen testing, computer forensics, reverse engineering, hacking, cryptography and privacy/anonymity

Package manager: APT

Latest release: 4.9 / April 30, 2020

Initial release date: 10 April 2013

Kernel type: Monolithic kernel

Default user interface: MATE

Source model: Open-source software


Kali Linux is a Debian-derived Linux distribution designed for digital forensics and penetration testing. It is maintained and funded by Offensive Security.Kali Linux is an open source project and is maintained and funded by Offensive Security which is a provider of world-class information security training and penetration testing services. It offers a smoother, easier penetration testing experience, making it more accessible to IT generalists as well as security specialists.


ArchStrike is a penetration testing and security layer on top of Arch Linux. It is an Arch Linux repository for security professionals and it aims to create a simple and clean penetration testing distribution for security researchers and enthusiasts. It consists of two repositories which are archstrike and archstrike-testing.


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