It is a hardened open-source Linux operating system that is designed for maximum security. It forces the use of the Tor network on all Internet traffic. 🕵️‍♂️

You run it from a USB drive (or sometimes CD drive), and everything gets stored in RAM. When you turn off your computer, everything you did while your device is still on gets erased. 🕵️‍♂️🕵️‍♂️