It has stores in Athlone, Mullingar, Tullamore and Portlaoise.
Apache Pizza says it's been impacted by a data breach.
The fast food chain, which has more than 150 outlets across the country including Athlone, Mullingar, Tullamore and Portlaoise, says it was notified of the breach on Wednesday.
It's confirmed customer's personal data may have been accessed by the hackers, although credit card details weren't compromised.
It's alerting customers of the breach.
Two-Year Sentence For Fighter Who Held Knife To Woman's Chest Weeks Before Killing His Mother
TII Questioned Over Criteria For Allocating Funding To Local Authorities
Laois TD Renews Funding Call For Courthouse
Midlands Based Pharma CEO Picks Up Award
Six Months Of Traffic Disruption Ahead As Water Mains Works Begin In Westmeath
Hybrid Working Drives Irish Rail Services To Capacity In The Midlands
Young Musicians Set To Rock The Midlands At Youth Music Festival
Minister Rules Out Toll Reductions For Midlands Commuters