Thousands of credit card numbers have once again fallen into the wrong hands. The California Department of Motor Vehicles (DMV) appears to be the latest target of a credit card breach, according to a report out today from security blogger Brian Krebs. MasterCard has confirmed that it has warned a number of banks about fraudulent charges on cards that have one thing in common: the accounts were all previously used for purchases at the DMV. If you used your card for a DMV charge form August 2nd, 2013 to January 31st of this year, your number might be in danger.