Optus sent two emails about its triple-0 outage to the wrong public service email address, where they sat undetected for more than a day. The emails were sent on the day of the outage and identified ...

The federal government only learned about Optus' deadly triple-zero outage the day after it happened because the telecommunications provider sent a notification email to the wrong address. Optus was ...

Companies had been told "a number of times" the email address was not to be used for notifications, a departmental staffer said.