Two red bars. Read the chart end to end.

HSTS in plain English

One response header ends the silent downgrade to plain HTTP. How HSTS works, the first-visit gap, the preload list, and the one way to brick your own subdomains.

The five headers that fix most of a failed scan

Most failed security scans trace back to the same five missing response headers. Each one is a single line of server config. What they do, what to set, and the one that needs care.

How prompt injection actually works

Prompt injection is not hacking the model. It is the model doing exactly what it was built to do - follow instructions - with no reliable way to tell yours from an attacker’s. A field guide.

One bad import: how supply-chain compromises start

You did not get breached - your dependency did. How compromises actually travel through package managers, what history keeps teaching, and the unglamorous defenses that work.

security.txt: the two-minute change that gets you warned first

When a researcher finds a hole in your site, the difference between a quiet heads-up and a public surprise is often whether they can find your inbox. RFC 9116, in practice.

NIS2 for small teams, in plain terms

The EU’s NIS2 directive stopped being a big-company topic. Who is actually in scope, what it genuinely requires, and the short list a small operator should do first - without the legal fog.