Both CUNA and NAFCU say they support efforts that would require retailer accountability for breaches.
Supreme Court opts not to hear an appeal of a lower court ruling on debit interchange.
CU Wallet, the mobile payments CUSO owned by some 80 credit unions, is on track to go live as early as April.
Organizations blast credit union trade groups for misleading the media and Congress.
National Retail Federation encouraged by campaign for safer payment methods from retailers.
Review this year's 10 largest data breaches and their latest numbers.
A Friday ruling allows retailers who opted out of last year's settlement to proceed with new suits. Card brands can also countersue retailers.
Plantiffs also say the sheer size of the debit card market make their case big enough for the nation's highest court.
Credit unions wondering if the courts would make them change their debit card programs can rest easy for now.
After the Fed's current interchange rule was upheld in court, plaintiff retailers say they may appeal to the Supreme Court.