Security research, CTF writeups, and notes on everyday security work.https://cat0.dev/https://cat0.dev/blog/placeholder-series/https://cat0.dev/blog/placeholder-series/PLACEHOLDER: what this series covers as a whole.Sat, 29 Aug 2026 00:00:00 GMThttps://cat0.dev/blog/placeholder-standalone-post/https://cat0.dev/blog/placeholder-standalone-post/PLACEHOLDER: a demo post exercising every content feature this template supports -- replace or delete once you've learned the syntax.Sat, 29 Aug 2026 00:00:00 GMT