kate congerVerifizierter Account

This is your unscheduled reminder that telling early-in-career engineers stories of times you messed something up real bad is a good way to help them combat their own impostor syndrome.

I was supervising a pen-test of a decent sized bank, and we found a mismatch between how the Java web app and backend mainframe handled integers. This let us transfer negative amounts of money and, effectively, invent money out of thin air.