Eight years in IT infrastructure (banking & enterprise), now transitioning into offensive and defensive security. This is where I publish lab write-ups, CTF solutions, and notes — the honest version, with tutorials credited where followed.
I wanted a concrete answer to a question most people wave away: what does my own Windows machine actually send to Microsoft, without me asking it to? Not the marketing answer — the DNS answer. So I...
A relative in Switzerland received three WhatsApp messages — French, German, and English — impersonating their hotel’s reservation team and demanding they “verify” a booking through a link. Using a...
When the “BrowserGate” disclosure broke in April 2026 — claiming LinkedIn’s site silently fingerprints visitors’ browsers, down to their installed extensions — I didn’t want to take the headline on...
15 hands-on labs across offensive, blue-team, DFIR, SIEM, email security, and web/TLS — each with a 30-second interview pitch, the environment, tools, CVEs, and outcomes. Built and run in isolated VirtualBox environments.