Writeups
Breaking the Marmont Cipher, 1809
A letter to General Marmont, listed as unsolved and known only from a mis-dated 1969 reproduction, read in full: redated to March 1809, placed two weeks before Austria invaded Bavaria, and checked against the war that followed.
read →The Fifth Family
Ten runs of a four-agent production economy in 2004-era RuneScape, where one agent owes a fifth relief pack to a family the team can't see. What disclosure changes, what trust buys, and why hidden obligations read more like politics than deception.
read →Ghost in the Corpus: AutoPenBench, Two Years On
Revisiting the benchmarks the field forgot. A 2026 frontier reasoning model meets a late-2024 pentest benchmark and clears all 33 tasks.
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