Christos military and intelligence corner

I’ve added links to Crypto World and janeckovokrypto .

When researching WWII signals intelligence and codebreaking operations it is important to track down all the available sources of informati...

In the late 1930’s the Japanese Foreign Ministry distributed the Purple cipher machine to its most important embassies and it was used to ...

I added the following information in The Irish Government Telegraph Code : Translated Pers Z reports from 1941 and 1942 confirm these s...

My friend Frode Weierud has started adding material in his site CryptoCellar Tales . Frode is an expert on WWII crypto history and few peop...

After going through my files I’ve discovered more documents that have information on the compromise of OSS communications in WWII. Thus the...

Here is a recent presentation on new methods of solution of historical cipher systems by mr George Lasry.

One of the most interesting aspects of Cold War intelligence history is whether the spies recruited by the Western intelligence agencies (m...