Highly sophisticated bugs went undetected for 8 years during the Cold War.
Source: How Soviets used IBM Selectric keyloggers to spy on US diplomats | Ars Technica
Just a neat article that reminds us that information security and what we have come to call cyber threat has been a matter of doctrine much longer. Nation State and now criminal proliferation is mostly due to a revolution in connectivity and a lack of care for access control. A technical perfect storm! The motivation isn’t so new! Enjoy!