Credit and debit card details belonging to customers of Super Valu, Axa and Stena Line may have been compromised following a cyber attack at a Co Clare firm.
LoyaltyBuild, based in Ennis, operates loyalty schemes on behalf of the three companies and said that customers who booked breaks in the last 90 days may be affected.
However, it stressed that CVV (Card Verification Value) numbers – generally needed to complete online transactions – were not stored.
Some 39,000 Super Valu customers from the Republic and Northern....