[samwillis]

I heard about this before. According to Snopes it's false although it may have been implemented in A few places.

http://www.snopes.com/business/bank/pinalert.asp

http://en.m.wikipedia.org/wiki/ATM_SafetyPIN_software

[rplnt]

Thanks for the wiki article. I've heard about it and was pretty sure it's a hoax (mostly because of the palindromes).