the NSA put its own hacking tool on GitHub and most people still haven't opened it 5 security repos that show you how exposed you actually are. all free, all open source. want to see every account tied to your username across the internet? -> Sherlock github.com/sherlock-project/… want to take any program apart and read what it really does? -> Ghidra, the reverse engineering framework built by the NSA github.com/NationalSecurityA… want to watch everything your phone apps send home? -> mitmproxy github.com/mitmproxy/mitmpro… want to know if your API keys and passwords are already sitting in your git history? -> TruffleHog github.com/trufflesecurity/t… want to test your own WiFi and Bluetooth with a $10 chip? -> ESP32 Marauder github.com/justcallmekoko/ES… ~260k stars of tools that professionals get paid to run. none of this is hidden. it's the same kit pentesters use on the job. the catch: it's only legal on things you own or have written permission to test. the best way to learn how you get hacked is to run the attack on yourself first. bookmark this. pick one. point it at your own stuff tonight.