• The OSI and TCP/IP model

    Introduction Now this might seem a bit random, but I’ve always been intrigued by both, the OSI model especially. It really was the first thing I ever learned about networking, more than 25 years ago. I’ve been very busy the last weeks with work, Hacker Holidays, a couple of my own projects, etc. I’ve been…

  • TryHackMe SEC0 quick win

    Introduction I’ll be honest. I didn’t need to do this one. The TryHackMe SEC0 (Pre Security) certification is entry-level by design. It covers the basics: how the web works, networking fundamentals, Linux essentials, and a gentle intro to how attackers think. Nothing that was going to surprise someone who’s already spent years in platform engineering…

  • From platform engineer to threat hunter

    Introduction I’ve spent the last decade automating everything that moves. Turning VMs into containers, containers into orchestrated workloads, and Git repos into self-healing production platforms. I’m a Kubernetes platform engineer by trade, addicted to GitOps, service meshes, and the beautiful chaos of multi-cluster architectures. But lately? I’ve been spending more time thinking about how to…