Daniel Axelson · Oslo, Norway

Technical writing.
Explained properly.

A handbook on infrastructure, security, and software — written from direct experience, not textbooks. Every concept is explained from first principles, with diagrams, and without skipping the parts that are actually hard.

1 chapter · 1 parts · ongoing
Part 01

Security Engineering

01
Quantifying Exposure at Scale How I found CVE-2026-20841 across 3,239 endpoints at Oslo Kommune using Intune as an ad-hoc fleet scanner — the methodology, the second finding nobody asked for, and what the escalation path looked like.
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