It's not just Target. More retailers experienced holiday security-breaches...

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testcase wrote:
In the past, I've used "Single Use" numbers that credit card companies provide for online purchases. Setting the Single Use # was always a pain but, it kept extra / recurring charges from happening.

I've been using these for years but recently stopped because Citibank added extra layers of PITA to get one for "security" (e.g. for each one you have to confirm with your phone...)