CO-OP's operations were not impacted by breach and CUSO expressed confidence in FIS.
Agency cites information technology supervisory letter the company has received from the FDIC; FIS processes credit and debit transactions for 5,400 credit unions.
Federal suit charges FIS with infringing on CheckFree, CashEdge intellectual property in payments tech tools.
Processor says disruption involved a "small number of its payment systems, which impacted a select number of clients."
CUSO says FIS problems on Friday shut down ATMs but CO-OP point of sale unaffected.
Blogger reports card processor hit by scam involving Sunrise platform cards.
A white paper for Card Services for Credit Unions members from processor FIS and CSCU outlines risks, urges education.
A majority of the credit unions around the country that issue cards will soon be able to offer merchant-funded rewards.
An FIS executive in charge of loyalty services said he sees targeting, cost-savings power of merchant-funded programs driving growth.
FIS is adding merchant-funded rewards to a loyalty program in a move the company says will help offset the effects of a raised interchange cap.