In the days since Optus first reported that potentially millions of its customers’ private information – from birth dates to Medicare numbers – had been breached, it has faced threats of blackmail, a potential class action and a public spat with the home affairs minister. Reporter Josh Taylor and Jane Lee discuss the fallout from the data breach and whether this was a ‘sophisticated attack’ on the telco, or a failure of the company’s own security systems Follow the day’s news, live