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American Express credit card data exposed


Help Net Security - (California) American Express announced June 2 that over 76,000 cardholders in California may have had their payment card information disclosed in a batch of payment card information exposed by a hacktivist group in March. Many of the cards in the larger March breach appeared to come from older leaks and not from a new breach.


Note: This news synopsis is taken from the DHS Daily Open Source Infrastructure Report, a daily [Monday through Friday, except US Federal holidays] summary of open-source published information concerning significant critical infrastructure issues; a 10-day archive of the DOSIR can be found at:

Last Updated: 27 May 2016 10:20:26