SIGINT During World War II
The NSA and GCHQ have jointly published a history of World War II SIGINT: “Secret Messengers: Disseminating SIGINT in the Second World War.” This is the story of the British SLUs (Special Liaison Units) and the American SSOs (Special Security Officers).
Posted on August 13, 2025 at 7:08 AM •
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Sidebar photo of Bruce Schneier by Joe MacInnis.
