How a Simple Security Bug Became a University Campus 'Master Key'

Nice example of a reply attack:

[https://yro.slashdot.org/story/22/03/03/2357222/how-a-simple-security-bug-became-a-university-campus-master-key?utm\_source=rss0.9mainlinkanon&utm\_medium=feed](https://yro.slashdot.org/story/22/03/03/2357222/how-a-simple-security-bug-became-a-university-campus-master-key?utm_source=rss0.9mainlinkanon&utm_medium=feed)

bug cybersecurity key master master key security simple university