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What: Shares of payment processing company Global Payments
So what: It appears at this point that Global Payments is the processor at the center of what could be a massive credit card security breach. While The Wall Street Journal put the number of compromised cardholders at 50,000, the security blog Krebs on Security suggested that the breach could involve many millions of card numbers.
The breach runs across card brands including the two giants of the industry, Visa
Now what: The potential fallout for Global Payments -- if it is indeed the processor involved here -- could be painful for the company and its investors. However, details around the nature of the breach, its true size, and whether it is Global Payments that's responsible are slim right now.
Even for those that aren't shareholders of the companies above, the story here is significant because the vast majority of us own credit cards. The lack of details and the halted stock may make it tough for Global Payments' shareholders to react here. Obviously, cardholders should keep a close eye on their accounts to make sure there isn't any suspicious activity.
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Fool contributor Matt Koppenheffer does not have a financial interest in any of the companies mentioned. You can check out what Matt is keeping an eye on by visiting his CAPS portfolio, or you can follow Matt on Twitter @KoppTheFool or Facebook. The Fool's disclosure policy prefers dividends over a sharp stick in the eye.