SIGINT CHATTER

In 2012, Brian Neal successfully completed our Enigma Challenge.

This year will mark the 21st anniversary of our Enigma simulator and the 20th year of cryptologic challenges.

Operation Tinkel Bell has moved to the Cipher Machines and Cryptology website.

Click for more We're back with Podcast Nuggets, but this time only two podcasts due to some radio silence.

Ralph Simpson was speaker of the month at the California Historical Radio Society where he gave a talk on the early development of encryption devices.

TSEC/KL-7 © Dirk Rijmenants The TSEC/KL-7 crypto machine was developed by the Army Security Agency (ASA) and Armed Forces Security Agency (AFSA) under the name AFSAM-7 and introduced in 1953 by the National Security Agency (NSA) into the U.S.

The Virtual Colossus © Image Martin Gillow The history of crypto equipment is quite fascinating, but diving into the archives, searching for historical publications, or collecting those old machines is not everyone’s cup of tea.

I'm pleased to announce the first guest on our brand new Crypto's Cast.

Ringway Manchester The Ringway Manchester YouTube channel is a fascinating journey into radio waves, but hard to describe, as it covers so many subjects with signals as the common theme.

Click for more After a long break, we resume the Podcast Nuggets series, covering a selection of excellent talks about signals, intelligence, wars and espionage.

The Deutsches Museum in Munich made available a large collection of Cipher Machines 3D CT scans.

WELCOME TO 2024!

TSEC/KL-7 © Dirk Rijmenants The TSEC/KL-7 was the first rotor cipher machine to use electronics, and although the KL-7 had excellent cryptographic properties, its track record is what made this machine a true Cold War icon.

Click to start tour What is Crypto?

The development of computers is closely intertwined with the history of cryptography, and vice versa.

Cyber security is an ever-evolving battle that we can never win.

HMS Mercury Royal Navy Signals School Sometimes you need serendipity to discover a fascinating website.

Joseph George Helmich The well known John Walker spy case from 1985 was covered extensively by the press.

TSEC/KL-7 © Photo Dirk Rijmenants The U.S.

Click for more It's been quite a while since the last podcast nuggets, due to the move of our website and other time consuming stuff, but again we have a selection of amazing interviews.

We're exited to announce today the Elite Box Challenge, the successor of the 2007 Crypto Box Challenge.

Our website Cipher Machines and cryptology moved to a new location with new domain name!

Duga-1 OTH Receiver Source: Ingmar Runge During the Cold War, the Soviet Union developed various early warning systems to detect the launch of intercontinental ballistic missiles (ICBMs).

A new 12-episode podcast series brings the extraordinary life of a young student turned spy.

TSEC/KL-7 Photo © D.