S&P Global has warned Optus that the damage incurred from the loss of more than 9.8 million former and current users’ personal details may lead to higher customer churn and pressure on market share at the telco.
There are now key governance concerns circling Optus, which suffered one of the largest data breaches in Australian history last week, like its “ability to manage its risks, particularly control of its IT systems and robustness of its cybersecurity defences”, the credit rating agency warned in a bulletin note.
