How Hackers Extracted the ‘Keys to the Kingdom’ to Clone HID Keycards

https://www.wired.com/story/hid-keycard-authentication-key-vulnerability/

A team of researchers have developed a method for extracting authentication keys out of HID encoders, which could allow hackers to clone the types of keycards used to secure offices and other areas worldwide.

originally posted at https://stacker.news/items/641697