Worlds first keylogger?

How the KGB Bugged American Typewriters During the Cold War
By Kyle Mizokami, Jan 1, 2020

• In the 1970s, U.S. intelligence believed the embassy in Moscow was leaking information.
• Repeated searches for a secret transmitter in the embassy turned up nothing.
• Finally, engineers discovered a typewriter with a transmitter hacked into it.

Fascinating story about how the Soviets modified an IBM Selectric typewriter to covertly transmit every keystroke to a KGB monitoring station. Electronically, this hack is a work of art.

h/t the Michael Tsai Blog