September 22, 2023

Optus has suffered a massive cyber breach, compromising the personal information of millions of Australians.

Reports suggest up to 2.8 million Australians have been implicated in the cybersecurity breach, which could have leaked information such as passport and license numbers, email and home addresses, dates of birth, and telephone numbers.

Payment details and Optus account passwords were not compromised. But the breach implicates both past and present customers of Optus.


Rosmarin, CEO of Optus said the telco is not yet aware of any customers having suffered harm because of the breach. Optus has also notified key financial institutions about this matter.

As soon as we knew, we took action to block the attack and began an immediate investigation. While not everyone may be affected and our investigation is not yet complete, we want all our customers to be aware of what has happened as soon as possible so that they can increase their vigilance.

While we are not aware of customers having suffered any harm, we encourage customers to have heightened awareness across their accounts, including looking out for unusual or fraudulent activity and any notifications which seem odd or suspicious.

Current services such as mobile and home internet are not affected, and the messages and voice calls of customers have not been compromised.

For customers who have specific concerns, they can contact Optus via the My Optus App (which remains the safest way to interact with Optus) or by calling 133 937. Optus will not be sending links in any emails or SMS messages.

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