2023 Optus outage
Nationwide network outage / From Wikipedia, the free encyclopedia
The 2023 Optus outage was an unplanned outage of all Optus internet, cellular and fixed-line services in Australia first detected on 8 November 2023 at 04:05 AEDT.[2] The outage caused disruption across government and corporate sectors including hospitals, banks, train services, EFTPOS payment systems, and calls to emergency services.[2][3] Restoration was gradual with some services being restored around 13:00 AEDT.[4] The outage directly affected more than 10 million people and 400,000 businesses across Australia.[5][6]
Quick Facts Date, Time ...
Date | 8 November 2023 (2023-11-08) |
---|---|
Time | 04:05 (AEDT) |
Duration | 04:05 – 16:00 (approx. 12–13 hours) |
Location | Australia (nationwide) |
Type | Network outage |
Cause | Automated shutdown due to BGP event.[1] |
Outcome |
|
Inquiries | Senate inquiry |
Close
The cause was likely due to several routers disconnecting as an automated protective measure against routing update overload.[1] Optus stated that the outage was not due to a cyberattack.[2][7]