The "Grey Zone"

The "Grey Zone"

How to Create the Ultimate Insider Threat (Declassified CIA Manual)

Spoiler: no sophisticated tool, accessible to any "ordinary" citizen

Oriane Cohen's avatar
Oriane Cohen
Feb 14, 2025
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In 1944, the OSS (Office of Strategic Services), the forerunner to the CIA, produced the Simple Sabotage Field Manual. This document was declassified in 2008 - and is available on the CIA website.

Its goal was quite simple: train normal people, to subtly disrupt enemy operations without sophisticated tools or training.

In other words, teaching people to …

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