CTF 5 Ringbus: Deferred Free Across Caches (Writeup) Oct 31, 2025 Running a CTF that Outlasts a Bag of Popcorn Sep 11, 2023 Return to Sigreturn Sep 11, 2023 Feed the Magical Goat (Battelle) Mar 23, 2023 Cracking the DEFCON 30 Badge Firmware Nov 22, 2022