Gryphons CTF (GCTF) Capture-The-Flag. The CTF was held over the course of 48 hours, and had over 45 challenges split into the categories of Web, Crypto, Forensics, Reverse, Pwn, and Misc.

GCTF2021 CTF Writeup

Setting up a distributed T-Pot honeypot on AWS

Distributed T-Pot System

Collaborating with CTFNote (Old)

Ricing my setup

GitHub Security Lab, Capture The Flag. “A call to hacktion, a GitHub workflow CTF” is a single level challenge based around GitHub Workflow best practices and an interesting vulnerability pattern that GitHub Security teams have seen out in the real world.

A call to hacktion, a GitHub workflow CTF

Cyber Defenders Discovery Camp (CDDC) Capture-The-Flag competition

Blog Post