Blog

  • Book Review: CTF Blueprints

    This is a short review of the book Kali Linux CTF Blueprints by Cameron Buchanan which was published under Packt Publishing in July 2014. The books goal is to provide blueprints to building a CTF environment. In my opinion, this is not quite true as the blueprints are mere pointers in the right direction. While…

  • #Security in time

    HashtagSecurity.com has gone a long way since it started over two years ago. In the depths of my hard drive I found screenshots of older hashtagsecurity.com versions, so I decided to share them with you! Back when I started it was a blog about pretty much everything that crossed my mind. Having it’s roots in…

  • DEFCON 22

    Defcon is over and the dust has settled – or at least I have rested. Since this was my first Defcon, here is a short write up of my experience. First of, this post is about DC22 and that alone. If you want to read about my trip to BlackHat, go read my BlackHat review.…

  • Python Cheat Sheet

    I like to solve my problems in python, so here is a small cheat sheet on python tricks that make my life easier. There’s not much yet, but more to come! End for loop on return-key hit If you need a certain task done over and over again, you can use watch -n [seconds] ‘task’,…

  • Random Notes

    This is a post for random notes, since I never know where to put them, and always have trouble finding them later… Also, I’m sick of running a personal wiki. So everything worth it’s own blog post or cheatsheet will become one if I find the time. Everything else will end up here. There is…

  • BSidesLondon 2014

    Here is my review on the BSidesLondon ’14 with a heavy focus on the rookie track, since I spent almost all of my time there. As promised in my talk “CSP Analysis – Attacking XSS Mitigation”, I published the source code of all my examples (and more) along with some explanation of what I did…

  • Getting Started with Kali Linux

    After reviewing the book Instant Kali Linux, I thought why not give it a try and actually do the things better I nagged about. Well, for one thing it’s a lot of work and I try not to start projects that are way too demanding and end up never finishing them. But maybe it’s time…