[stan_rogers]

It was giving that away in his book, rather than any of the other activities at Bletchley Park, that got Gordon Welchman into trouble. Even without any detail as to the techniques used, the fact that he and his group had basically worked out the German operational structure and deployment situation entirely from traffic analysis before the improved Enigma was reliably broken revealed a lot that was meant to be kept secret.

[willvarfar]

Yes the hut six story was an excellent and eye opening book. We are quick to idolize Turing - and he was an amazing man - but there are others such as Welchman and Tutte who sadly get less attention.

[sitkack]

In fact, if I were running strategy, I would want my opponent to think I used a computer of speed x or storage system of size k, spending lots of resources chasing a false solution.