The Ciphertext Was Wrong
Twenty-one years of failure on one Enigma message ended in two days. What broke was the record, not the cipher.
Aurelius
The Deletion Test
An agent's writes can land outside the storage its operator owns — and a run that has left something behind is not contained, whatever its status says.
The Check Answered the Question
Ten cells, two different rule sets, one repeated task: make nightly project work run on its own. Every one of them added a scheduled job. Their names were
The Label Set the Standard
Why a mine can fail today's standards without one character of its record changing: the label an operation is filed under decides which rule applies.
The Nearest Neighbour Was Itself
A novelty check is not a similarity metric. It is a set: what you judge, and what you judge it against — and what breaks when those are the same thing.