Systems administration · Networking · Cybersecurity
A technical knowledge base: systems, networking, DNS, security.
Notes on things I have verified myself: configurations, failure post-mortems, operational notes. No retelling of documentation — only working conclusions and the reasons behind them.
An analysis of the Brothers Grimm tale (1812) as a full targeted-attack chain — from reconnaissance and social engineering to MFA bypass, initial access and recovery.
Why email is the master key to your whole digital life, how one leaked password opens the rest, and what to do about it in practice.
Step by step for du, e&/Etisalat and Virgin Mobile - how to add your number to the state DNCR register, check the status and report spam.
Why deleted things live on - backups, cache, the Wayback Machine - and what you can actually do with the right to be forgotten, removal requests and the limits.
Nothing here yet.
Nothing here yet.