Series

Network basics

A series breaking down core networking concepts every security professional should know — from the OSI model to how data actually moves across networks. Written for anyone building a strong foundation before diving into vulnerability management, pentesting, or cloud security

OSI Model
What is the OSI Model and Why Should You Care? Everyone in networking mentions it. Very few people explain it clearly. Here's my attempt. I once memorised the seven OSI layers for an exam, listed the
May 10, 20254 min read
Introduction to HTTPS
How HTTPS Actually Protects You — And When It Doesn't The padlock icon is real security. But it isn't the whole picture — not even close. You've probably heard "always use HTTPS" a thousand times. Bu
May 11, 20254 min read
nmap scan
I Scanned My Own Network — Here's What I Found Running nmap for the first time is humbling. You realise how much is quietly "open" in your own home. I downloaded nmap, typed one command against my ho
May 17, 20254 min read
Firewalls
Firewall Rules Explained With Real Examples A firewall is only as good as its rules. Let's write some — and understand exactly what they're doing. I used to think of a firewall as a magic box that "b
May 18, 20254 min read

Command Palette