should you sell your personal data?

May 11, 2023

A look at companies that claim to help people regain control over their data

solving monkey ctf challenges with monkey ctf tactics

Mar 07, 2022

A proof of the infinite monkey theorem (ISSessions CTF 2022)

finding relationships between sites from a page source

Jun 01, 2020

Many third party services use unique IDs to keep track of which of their customer's data is being requested. How can this be used to find sites that are related to each other?

the dilemma of releasing tools

May 17, 2020

What should you do when the potential negative impact of what you make outweighs the positive?

context: how a simple bug can be dangerous (Dutch Government VRP)

Feb 29, 2020

Hacking a dutch government owned web-app for a t-shirt

Practice OSINT With Quiztime

Jan 21, 2020

Geolocation challenges from @quiztime

OSINT Challenges for InfernoCTF 2019 (Creator Writeups)

Dec 28, 2019

A few days ago, the CTF team I play with, Dc1ph3r, hosted our first ever CTF, InfernoCTF ( with prizes from pentesterlab :D ). I made a couple challenges– I know OSINT challenges get a bad reputation, but I promise these weren't guessy!

chromebooks and why they're great

Sep 25, 2019

Using XSS Hunter to solve Google CTF Quals Beginners Quest Challenges

Jun 24, 2019

In these writeups, I'm going to demonstrate using XSShunter to solve challenges

HSCTF 6 - JSON Info, Keith Bot, A Lost Cause

Jun 07, 2019

This was a really fun CTF, my team Dc1ph3r ended up coming 19th with 11851 points

TAMUctf 2019 - Wordpress and Onboarding Checklist

Mar 19, 2019

Writeups for the Wordpress and Onboarding checklist challenges from TAMUctf 2019