Gardaí have boosted staffing to its Cyber Crime Bureau to more than 30 members and plan to clear the persistent backlog in the examination of computers in child abuse imagery cases by this time next year.

There are “unacceptable delays” in the examination of digital devices in child abuse investigations, despite calls for an “urgent review” of the area more than three years ago, according to the Garda Inspectorate.

The country’s largest supermarket group has reassured customers after it was targetted in a cybercrime attack aimed at extracting credit and debit card details.