WASHINGTON (AP) -- Visa says a technical problem affecting its network barred people from using their credit and debit cards for about 45 minutes on Sunday.
Visa Inc. spokeswoman Sandra Chu says that the outage was caused by a recent enhancement Visa has made to its system. She says Visa had trouble processing some transactions as a result, but the system is operating normally now.
Chu says the problem Sunday was unrelated to the security breach potentially affecting Visa and MasterCard customers that was reported Friday by credit card processor Global Payments Inc.
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