Investigations including Senate inquiry into the outage
Inquiries
Senate inquiry
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]
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]
^ abOptus Network Outage, Canberra: Senate Standing Committee on Environment and Communications (Parliament of Australia) (published November 2023), 17 November 2023, archived from the original on 17 November 2023, retrieved 18 November 2023
^ abc"Optus outage hits millions: Telco says services fully restored after nearly 14 hours". www.9news.com.au. 8 November 2023. Archived from the original on 9 November 2023. Retrieved 9 November 2023.
^"Optus outage affects millions of customers across Australia". amp.smh.com.au. Archived from the original on 8 November 2023. Retrieved 8 November 2023.
^Cite error: The named reference :3 was invoked but never defined (see the help page).
^Jose, Renju; Needham, Kirsty; Kaye, Ron (8 November 2023). "Optus network outage affects millions of Australians". Reuters. Archived from the original on 8 November 2023. Retrieved 8 November 2023.
^"Optus likely to explain outage 'disaster' at senate inquiry | Daily Telegraph". Archived from the original on 9 November 2023. Retrieved 11 November 2023.
^Seeto, Tamika (8 November 2023). "Optus outage: Services 'gradually' resuming for millions of Aussies but 'may take hours'". Yahoo Finance. Archived from the original on 8 November 2023. Retrieved 8 November 2023.
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