A hacker sent unauthorised warning messages to thousands of Australians over the weekend after compromising an official Early Warning Network.
The attacker compromised a login with illicitly gained credentials and used it to send out alerts warning subscribers about the system’s security.
The messages were sent on Friday night via email, text and landline to subscribers of the network. They read: “EWN has been hacked. Your personal data is not safe. Trying to fix the security issues.”