Audio Masking

Vulnerabilities in TETRA radio networks

History of the Enigma

Le Sphinx – Pocket cipher device (1930)

DDR Type 2 – Short-wave spy transmitter

Barbie Typewriter (2018)

Operation GUNMAN – how the Soviets bugged IBM typewriters

NSA's Backdoor of the PX1000-Cr

Opto-electronic voice transceiver for covert infra-red light communication

Covert Listening Devices Used by Stasi

IBM Selectric Bug

PX-1000Cr cryptographic algorithm and the NSA

60 years under ground and still works

Barbie typewriter (2015)

Operation Gunman – how the Soviets bugged IBM typewriters (2015)

Clipper Chip

Operation GUNMAN – how the Soviets bugged IBM typewriters

The Barbie Typewriter

Selectric bug

Crypto Museum

Crypto Museum