[BreachExchange] Danish payments firm says fears 100, 000 credit cards hacked

[Inga Goddijn]

http://www.reuters.com/article/us-nets-credit-cards-idUSKCN12Q12N

Danish payment processor company Nets has advised local banks to block up
to 100,000 credit cards on suspicion their security might have been
compromised by hackers, it said on Wednesday.

Nets, which was floated last month, said the breach was probably linked to
transactions with a single internet retailer based abroad.

None of the cards had been tampered with yet but might be in the near
future, it said, adding that credit card companies including Visa and
Mastercard had opened an investigation.

"By replacing possibly compromised cards preemptively, banks and shops can
save an amount in the triple digit million (Danish crowns) range, which
they could suffer in losses from trades made with stolen credit card
information," Nets said.

Danish lender Jyske Bank said on Wednesday it was blocking and replacing
7,000 cards.
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