websecurity "Streaming Only" Lecture Videos - A Drama in V Acts "Students cannot download the streaming videos through a download button or by right-clicking into the video and choosing "Save link as". Nevertheless, technically skilled students will find a way to download them anyway."
nixos NixOps for preexisting NixOS machines Deploying the config of a NixOS machine to the same machine from another machine using NixOps should be fairly easy..., or not?
ctf redpwnctf pseudo-key So, this is a fairly long writeup for the pseudo-key challenge from the redpwnctf. It is ment to not only show the solution of the challenge, but also how to
ctf Disclosing a complete flag leak in a CTF This disclosure process of leaking all flags from the NahamCon CTF.
NixOS in the Hetzner Cloud So I had this Idea to install NixOS in the Hetzner Cloud (not to be confused with Hetzner Online for which a page in the NixOS wiki does exist). Searching
Windowmanager setup I've often had encounters starting like "Whats that windowmanager you're using?" (that actually happens, yes) in the past that developed into a discussion on how productivity can be increased and
Welcome to the nutshell of Monitoring Motivation Why you would run an monitoring system like this? I would mostly say because we can but no, this time it is necessary to run such an stack. Since
"There's JavaScript in my power plug!" The story how I found my first CVE - Disclosing CVE-2019-18842
honeypots Operating honeypots Operating honeypots and monitoring them using the grafana worldmap plugin.
ctf Hack around the clock: Introduction to Blind Attacks A small example of a blind timing attack, based on a challenge from Junior 35C3CTF
ctf 35c3 Stringmaster2 Walkthrough This is my Walkthrough for the stringmaster2 challenge, which I solved during the 35c3 juniors CTF. I'm trying to explain the bug and the exploitation techniques I used in a
Optimizing the simulation of galaxies using Barnes-Hut simulations Simulating galaxies in really fast way, sounds complicated? It is, but let's try understanding how it works!
ctf RITSEC CTF writeup - recover AES-CBC IV This is a writeup for the crypto challenge "Who draw on my program?" from RITSEC CTF 2018. The flag is the initialisation vector - © sandw1ch RITSECFoundations WTF is CTF? If
hacking The Theory Of Disclosure Participating in the field of IT security exposes you to the chance that you stumble upon services, software or hardware which you may find vulnerable. Either the logic of the
blog.init(); Hello! When hosting a blog for yourself, you are often confronted with the problem of readers demanding fresh, new and interesting content on a recurring base. And, of course, it's
