HOW IT WORKS
Understanding CtxOS
The ultimate framework for your Cyber Security operations. Learn how CtxOS works, explore different editions, and discover what makes it the choice of security professionals worldwide.
What is CtxOS?
CtxOS is a GNU/Linux distribution based on Debian and designed with Security, Privacy, and Development in mind. It includes a full portable laboratory for all kinds of cyber security operations, from pentesting to digital forensics and reverse engineering, but it also includes everything you need to develop your own software or keep your data secure.
With over 50 million downloads worldwide and a decade of continuous development, CtxOS has become one of the most trusted security platforms used by professionals, researchers, and students.
50M+
Downloads
95.5K+
Community Members
12+
Years Active
Getting Started
Follow these simple steps to start using CtxOS
01
Choose Your Edition
Select the CtxOS edition that matches your needs - from daily use to advanced penetration testing.
02
Download & Verify
Download your chosen ISO image and verify its integrity using the provided checksums and GPG signatures.
03
Install or Run Live
Boot from USB for a live session to test without installation, or install to your system for persistent use.
04
Customize & Update
Personalize your environment, install additional tools, and keep everything up-to-date with our rolling updates.
Ctx editions
Different versions for different players, role your need and play freely.
Security Edition
Security Edition is a special purpose operating system designed for Penetration Testing and Red Team operations. It contains a full arsenal of ready-to use pentesting tools.
DownloadIoT Edition
Ctx OS is also compatible with Raspberry Pi devices up to the latest version available, in all its editions.
DownloadDocker Images
Pre-packaged Docker image of the Ctx operating system. Core and Security editions available.
DownloadDebian Conversion Script
Debian Conversion Script is an installer script for CtxOS. This project stands as a replacement for the alternate-install which is no longer maintained. It is updated to the latest Ctx release.
DownloadWSL Edition
Experience the full power of our operating system running under Windows! Compatible with Windows 10 and 11 (x86_64).
DownloadSystem Architecture
1
Debian Foundation
Built on Debian's stable and reliable foundation with custom optimizations for security workflows.
2
Custom Kernel
Hardened Linux kernel with additional security patches and wireless injection support.
3
Security Arsenal
Curated collection of 800+ security tools, regularly updated and tested by the community.
4
Privacy by Default
Automatic sandboxing, encrypted storage options, and privacy-focused configurations out of the box.
Security Layer
AppArmor, Firejail, Flatpak and more
Tools Layer
800+ Security & Development Tools
System Layer
Custom Kernel & Optimizations
Base Layer
Debian Stable Foundation
Ready to Get Started?
Join thousands of security professionals, researchers, and enthusiasts who trust CtxOS for their security operations.