Part of the plot in Puppet Master turns on a scam involving ATM machines. Because it’s fiction, the plot is a bit more involved and advanced than what you might encounter in real life – but that’s scary enough.
Here’s a good briefer on what to watch out for:
Krebsonsecurity.com is hands-down one the best and most accessible site on all manner of internet fraud for “regular” folk. (But make sure to take it small enough doses that your paranoia level isn’t overwhelmed.)