[Dataloss] Visa issues new alert, identifies leading causes of data breaches

[lyger]

http://www.greensheet.com/PriorIssues-/061001-/8.htm

Hackers target vulnerable POS systems they suspect store card data, Visa 
U.S.A. recently warned, and, in conjunction with the U.S. Chamber of 
Commerce, stated the five leading causes of data breaches and specific 
prevention strategies for each.

Visa is aware of credit and debit card account information compromises 
occurring from improperly stored magnetic stripe, or track, data after 
transaction authorizations are completed. Track data refers to the 
information encoded in Tracks 1 and 2 of the mag stripe.

The card Association has also observed compromises involving improperly 
stored card verification value 2 (CVV2) data, PINs and PIN blocks.

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