Over a million visitors to some of the most popular clubs, pubs and restaurants across Sydney and New South Wales may be at risk of having their details stolen following a major data breach. It's understood addresses, signatures, dates of birth, phone numbers and even driver's licence photos may have been shared internationally. More than a dozen of the state's venues have been affected sparking a major investigation by New South Wales Police.

For more, Cyber Security expert Elliot Dellys joins.