Yeah you'd be surprised where it happens. I used to work on the help desk for a company that operated nuclear power plants, and their password system would only

Yeah you'd be surprised where it happens. I used to work on the help desk for a company that operated nuclear power plants, and their password system would only accept 8 character passwords, alphanumeric only. However, the length checking would randomly fail and users would be able to set a longer password and the system would silently truncate it without throwing an error or alerting the user in any way.