Gardaí wih the Garda National Economic Crime Bureau have made an arrest as part of an investigation into fraud and money laundering.
The extensive investigation is looking at fraudulent SIM-swapping attacks targeting customers of an Irish commercial bank which incurred losses of approximately €200,000.
A man has previously been charged and convicted in relation to the attacks.
Gardaí identified a supplier of SIM cards used to facilitate smishing/SIM-swap fraud.
This morning, gardaí conducted a search at a residence in the Tallaght area of Dublin 24, where they arrested a man as part of the investigation.
The man, aged 27, is currently being detained at Clondalkin Garda Station.
Investigations are ongoing.