The scale of the Loyalty Build cyber attack is likely to widen in the coming days with more companies affected.
Both AIB and Permanent TSB have confirmed that fraudulent activity has been identified on a number of their customers credit cards as a result of the European wide online attack.
So far more than 80,000 customers of Supervalu, Axa and Electric Ireland loyalty programme customers have had their credit card details compromised with that number likely to rise as investigations continue.
Security Editor with the Irish Independent is Tom Brady:
