# Shannon's maxim

> English word · Proper noun

## Definitions
1. "The enemy knows the system" — a restatement of Kerckhoffs's principle.

## Etymology
Named after Claude Shannon.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/shannon-s-maxim