>I wonder at what point do companies start requesting we change our account numbers (similar to passwords)? Some already are, sorta. I made a single purchase a

>I wonder at what point do companies start requesting we change our account numbers (similar to passwords)? Some already are, sorta. I made a single purchase at Target with a debit card during the period of their breech and my bank automatically sent me a new card with new numbers. It wasn't auto-activated, but once I did activate it, the old card and numbers went into the ether.