History glossary
Colossus
an electronic machine that accelerated the attack on Lorenz traffic.
- Category
- Codebreaking
- Region
- Britain
- Date range
- 1944–1945
What it means
Tommy Flowers and his team built Colossus to help analyse Lorenz-encrypted teleprinter traffic, known as Tunny. It began working at Bletchley Park in 1944 and was separate from the Enigma Bombe effort.
