One time I used a system that, when setting my password, it converted all letters to lower case, but it didn't do the same when trying to log in. I figured out

One time I used a system that, when setting my password, it converted all letters to lower case, but it didn't do the same when trying to log in. I figured out that's what happened when I called them and they told me to give them the password over the phone (yep) and then started giving me hints about what was 'wrong' with the password I gave them. This was a financial services company.