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The Guardian - AU
The Guardian - AU
Business
Josh Taylor

Optus reveals at least 2.1 million ID numbers exposed in massive data breach

General view of people walking past an Optus store in Sydney
An external review commissioned by Optus may help other areas of the private and public sector where risk of cyber-attack exists, telco chief says. Photograph: Bianca de Marchi/AAP

Optus has commissioned Deloitte to conduct an independent external review of the company’s massive data breach, with a focus on security systems and processes, as it announced at least 150,000 passport and 50,000 Medicare numbers were stolen.

Twelve days since the breach of the personal information of 10 million customers, the Singtel-owned company announced on Monday that the review put forward by CEO, Kelly Bayer Rosmarin, to the Singapore parent company’s board was supported unanimously.

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