US card processor hit by 'massive' breach

Visa and MasterCard are warning banks that a US credit card processor has suffered a major security breach that may have compromised the data of millions of people, according to the KrebsonSecurity blog.

Citing sources, the well-connected blog says the breach - which happened between 21 January and 25 February - is being called "massive", potentially involving more than 10 million cards.

In alerts to banks, Visa and MasterCard have warned that "full Track 1 and Track 2 data" has been taken, meaning counterfeits could be made using the information. The name of the processor has not been revealed.

Do you know if you have been affected ?
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