Terence Eden. He has a beard and is smiling.

Terence Eden’s Blog

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Cryptography and the Coventry Problem

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Photo of an Enigma machine at Bletchley Park.

There's an ethical conundrum which is often posed to military strategists and philosophers alike. In 1940, the Nazi's communications encryption had been broken by the British. Military Intelligence were able to decrypt a signal which indicated that the city of Coventry was to be bombed. The military chiefs took this information to the Prime Minister, Winston Churchill. If he ordered the…

Prism and Plausible Deniability

· 1 comment · 350 words


The leaders of several huge corporations have issued statements saying that their companies do not allow the US Government to illegally spy on their users. I'm sure they believe that. I'd even go so far as to say that I'm sure the entire board and top management genuinely have no knowledge of any malfeasance. Why would they? We're talking about spies - experts in the art of subterfuge and…