AIUI most ATM's will still give you money up to a couple hundred bucks with their network connection down, in case of legitimate "storm took out the phone lines

AIUI most ATM's will still give you money up to a couple hundred bucks with their network connection down, in case of legitimate "storm took out the phone lines but people need cash to buy candles and blankets" situations. This is not as sketchy as it sounds because the financial clearing system is only eventually consistent anyway. But obviously this attack surface has been exploited quite a lot by ATM crackers.