Writing
Research write-ups, essays, and the occasional short story. Posts marked ↗ live on the Pebblebed blog.
Escape Sequence↗
A JSON parser and a language model read the same string. The parser sees salt. The model sees an instruction to turn down how much you love your wife. Short fiction grounded in real exploit classes and real neurotechnology.
Who writes the bugs? A deeper look at 125,000 kernel vulnerabilities↗
Who introduces kernel bugs, who catches them, and when. Bugs fixed by their own author are found 3x faster; weekend commits are less likely to be buggy but stay broken longer.
Kernel bugs hide for 2 years on average. Some hide for 20.↗
What I learned mining 125,000 vulnerabilities from Linux git history, and VulnBERT, a model that catches 92% of bugs at a 1.2% false positive rate.
A list of YouTube channels I recommend
Math, physics, low-level systems, and security channels worth your time.
From red-team prompts to control evaluations: a tiny MVP and what broke first
A tiny, reproducible MVP for control evaluations: evergreen jailbreak harness, what broke first, and what’s next.