Originally Posted by Rasczak

On another password related issue, one thing I think is dumber than hell is when they force you to change your password often. I think it makes people more likely to write their passwords down somewhere handy like a sticky under the keyboard or blotter. Or there's more calls to the admin for password resets.

I think this throws a lot more risk into the mix than if someone has one well-memorized strong password that they use for years.