Blog reader Magnus Ekhall has created a software that simulates an Enigma breaking device. He has also published a few challenges, one of which is still unsolved.

Various codebreakers have solved thousands of original Enigma messages from World War II over the last few years. Here’s a message of this kind that is still unsolved. Can my readers help?

The German radio station WDR5 has aired a report about Enigma spy Hans-Thilo Schmidt. Among the experts quoted are Dermot Turing and me.

The Polish city of  Poznań offers a number of interesting Enigma sights. Now, a new one is planned: an Enigma information center. Suggestions from my readers on how this place might look like are highly welcome.

An M4 Enigma from World War II has set a new world record price at a Christie’s auction in New York.

Enigmas are getting more and more expensive. In New York, a four rotor naval Enigma has now sold for almost half a million dollars.

The first Enigma models were complex and expensive. Only when Enigma inventor Arthur Scherbius simplified the design of his machine it became practicable.

In World War 2 the Germans used more than a dozen different cipher machines. A few more were developped but not used in practice. This article gives an overview.

Swiss army veteran, Max Rüegger operated an Enigma in Korea in the the 1960s. Here’s his intriguing report.

Immer mehr verschlüsselungsbegeisterte Eltern geben ihren Kindern Namen aus der Kryptologie. Besonders beliebt sind „Enigma“ und „Voynich“.