Alarming system Australian government hacked

An alarm system used by Australian governments has been hijacked by an unknown hacker.

That messagesAustralian media Monday. The message said that 'EWN has been hacked. Your personal information is not secure. 'The sender also sent an e-mail address and a link to a website. The company behind the alarm system says that the message was sent via e-mail, text messages and fixed telephone lines.