A major outage at CommBank that had customers unable to access critical services such as online banking has been fixed, the bank says.

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The cause of the outage is still unknown, but ACM understands the bank has ruled out a cyberattack.

A view of a Commonwealth Bank of Australia (CBA) logo in Sydney, Australia, May 5, 2025. Picture by REUTERS/Hollie Adams

More than 7000 people reported the outage on DownDetector, a platform that tracks outages for various online services, at midday on October 2.

The bank's app was offline, and ATMs entered "standby mode" and could not give out cash

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