The data of 533 million Facebook users, including phone numbers, has been shared on hacking forums.
Around 1.5 million Irish accounts were included in the dump.
The information comes from a data breach that occurred back in 2019, and has raised fresh concerns about potential fraud and identity theft.
Andy O'Donoghue joined us for Tech Tuesday to talk about how safe your personal details are on social media and what to do if your data has been shared.
