Security Operating Systems

Specialized Linux distributions designed for penetration testing, security research, and digital forensics.

Mainstream Security Distros

Distro	Based On	Best For	Size
Kali Linux	Debian	Penetration testing, security audits	3-4 GB
Parrot Security	Debian	Daily use + security tools	2-3 GB
BlackArch	Arch	Advanced users, tool variety	15 GB+ (full)
BackBox	Ubuntu	Simplicity, Ubuntu familiarity	2 GB
Buscador	Ubuntu	OSINT, privacy-focused	2 GB
AttifyOS	Ubuntu	IoT security testing	3 GB

Kali Linux

The industry standard for penetration testing.

Official Docker Image

docker pull kalilinux/kali-rolling

Run Kali container

docker run -ti kalilinux/kali-rolling bash

Install tools inside container

apt update && apt install -y nmap metasploit-framework

⚠️ Warning: Do not use as daily driver. Run via VM or Live USB.

Parrot Security OS

Lighter alternative to Kali, suitable for daily use. Lower resource consumption Privacy tools built-in Development environment ready Multiple editions (Security, Home, Architect)

BlackArch

Arch-based with 3000+ security tools.

Install on existing Arch Linux

curl -O https://blackarch.org/strap.sh chmod +x strap.sh sudo ./strap.sh

Install tool categories

sudo pacman -S blackarch-recon blackarch-webapp

⚠️ Warning: Not beginner-friendly. Can break easily.

Docker Security Tools

Run security tools without installing distros:

OWASP ZAP (Web Scanner)

docker run -t owasp/zap2docker-stable zap-baseline.py -t https://example.com

WPScan (WordPress Scanner)

docker run -it --rm wpscanteam/wpscan --url https://example.com

Nmap

docker run -it --rm --network host instrumentisto/nmap -sV https://example.com