CTF

Link Description
0xdf Hacks Stuff Write-ups for retired HTB machines.

Documentation

Link Description
Mermaid Create diagrams and charts using Markdown-inspired text definitions.

Kubernetes

Link Description
Awesome K8s Security A curated list of K8s security resources.
Kubernetes Goat An interactive testing environment for learning about securing Kubernetes.

Security Architecture

Link Description
Awesome Threat Modelling A curated list of threat modelling resources.
OAuth 2.0 Security Cheat Sheet A useful reference for OAuth 2.0 related questions / considerations.
SecurityPatterns.io How to write better and more reusable security designs.

Tools

Link Description
CyberChef A web app used to analyse and decode data.