BBCNEWS Click February 22, 2020
Code breaking of bletchley park, the gadgets used to conceal cold war secrets and how we can protect ourselves now on line. This exhibition at Londons Science Museum marks a century of gchq making our nation a safer place. Protecting sensitive communication from hacking is nothing new. No matter what the technology of the age is. Here we have a telephone used by Winston Churchill in world war ii. Its called the secret phone and comes with a complete large privacy unit. Inside it, electronic circuits are scrambling both incoming and outgoing calls and then some years on, Margaret Thatcher used ...