Tom Biggs reports: Regulators have opened an investigation into Optus for potential hacks of the Privacy Act, following an incident in which the telco accidentally sent off thousands of customers’ contact details to be published in the White Pages directory against their wishes. In October 2019 Optus contacted almost 50,000 customers to inform them of the privacy hack, saying it mistakenly released details including names, addresses and mobile phone numbers to Sensis, the company that produces the White Pages. Read more on Sydney Morning Herald.