I remember reading a number of years ago about a method of detecting the leaker of documents that are supposed to be kept confidential. [1] This is basically wh

I remember reading a number of years ago about a method of detecting the leaker of documents that are supposed to be kept confidential. [1] This is basically what the statistics professor used to catch the cheaters in his class. [1] https://en.wikipedia.org/wiki/Canary_trap https://en.wikipedia.org/wiki/Canary_trap P.S. Yes I know that this technique played an important role in "Patriot Games" by Tom Clancy.