Security
Lessons filed under Security.
Security The security mindset There is no perfectly secure system, only different degrees of exposure. The aim is a smaller blast radius, not zero risk.
Security Thinking in threats: modelling a system A threat model is four questions you can ask about anything. The output is a short list with a decision next to each item.
Security Passwords, keys and secrets How hashing, long passphrases and a protected SSH key keep your secrets yours, not someone else's.
Security Reading logs and spotting oddities Learn what normal looks like, then find the failed logins and odd bursts hiding in plain text.
Security Hardening your Termux setup Fewer open doors and tighter file permissions make a smaller target, and that is the whole game.
Security Safe habits and privacy Anything you type or paste into a terminal can be written down, so plan for it being read later.