There's been an 80% increase in text, call and email fraud over the past two years.
45 cases were reported to gardaí last month.
More than €640,000 was reported stolen through these types of scams last year.
The oldest person to be targetted last month was 88 years old.
Brexit and the pandemic have added a new dimension as the increase in online shopping creates more opportunities for the fraudster.
The most common types are pretending to be from a bank, where people are invited to click a link, and then asked for personal details,
Gardaí are advising people not to respond to these texts and to never give away financial information.
