Originally Posted by
HockeyCoachBen
Some websites and security schemes have a "timeout" set, so every X number of days, the system itself automatically asks you to reset your passwords without any particular incident prompting the need to change. That's a possibility too.
i had a client where they were obligated to change their passwords every 5 weeks, cannot repeat the last 10 passwords used, and the key must be at least 12 digits, a combination of lower/upper letters, numbers and symbols.
If you need to use someone computer, it was just looking under the keyboard - almost everybody had a paper glued there with the current password - after a couple of changes, probably nobody was able to remember their last one...