Need to lay off the Steam purchases

Over this Christmas my wife's checking credit card # was stolen and while we only had one purchase made of $300 on it before it was caught it still sucked being the holidays and all. So this morning when I got a call from my credit card company to verify some possible fraudulent purchases I started to freak even before the call. Relieved to find out that my Steam purchases are what triggered the alert. I've bought stuff before but this last sale I purchased more than usual I guess. Don't get me wrong since my experience this Christmas I would like them to be more proactive.  Wonder if anyone else has had this happen.