Why Cryptosystems Fail Revisited

In the paper “Why Cryptosystems Fail”, Ross Anderson ponders the question about why cryptosystems really fail. Obviously, there may be weak crypto-algorithms, too short key lengths and flawed crypto-protocols. However, these were not the main reason why cryptosystems failed. Anderson discovered that the problem had more to do with misplaced trust and misconceptions of the threats the systems faced. Now, more than 25 years later, it seems prudent...