Late last week payment processor Global Payments revealed that MasterCard and Visa cardholders were at risk through a security flaw in their system.  We now know that the cards affected in the breach processing system were only in North America but that the original estimates of tens of thousands of cards affected were grossly understated. The worst is apparently over as the security flaw is reportedly plugged. Names, addresses, and social security numbers were not affected, only credit card numbers. “We are making rapid progress toward bringing this issue to a close. Our nearly 4,000…