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The Conversation
The Conversation
Paul Haskell-Dowland, Professor of Cyber Security Practice, Edith Cowan University

Optus blackout explained: what is a ‘deep network’ outage and what may have caused it?

Optus Internet Bayer Rosmarin

Optus customers woke up this morning to find they were unable to get their social media fix, and they weren’t happy. Around 4am AEDT, customers started to report an inability to access both mobile and home internet services.

Optus advised it was investigating the issue, with reports emerging around midday of some services coming back online.

Optus Help post from X, formerly Twitter
Optus Help/X, CC BY-SA
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