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The Guardian - AU
The Guardian - AU
Business
Josh Taylor

Optus cyber-attack could involve customers dating back to 2017

Optus Bayer Rosmarin
An Optus store in Sydney
The data of Optus customers dating back to 2017 could be affected by a massive cyber-attack on the company. Photograph: Bianca de Marchi/AAP

Optus customers dating as far back as 2017 could be caught up in the massive hack of the telecommunications company’s database, CEO Kelly Bayer Rosmarin has revealed.

Bayer Rosmarin told reporters on Friday that the company is still not sure exactly how many customers had their personal information compromised in the attack, but that 9.8 million was the “worst case scenario”.

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