In 2013, over 40 million credit card numbers were exfiltrated directly from the point-of-sale systems in more than 1800 Target stores. The attackers achieved this by deploying malware across multip...

The AES algorithm is widely used today, whether it’s for encrypting a connection to a website, encrypting data on your hard drive, or storing passwords in your favorite password manager. It has bee...

This is the story and the technical details of how the hacker group named Fail0verflow (formerly known as Team Twiizer) discovered and exploited numerous vulnerabilities to defeat the security mech...

Writeup for the “HF Doom” challenge created by @MaxWhite for the Hackfest CTF 2022.

Writeup for the “File Type Detective 2.0” challenge created by @dax for the Hackfest CTF 2022.