The breach affected about 40% of Australia's population 😥
MELBOURNE -Singapore Telecommunications said on Monday it was assessing the potential cost of a massive cybersecurity breach at its Optus arm, Australia's second-largest telco, 12 days ago.
Last week, an unidentified person posted online that they had released personal details of 10,000 Optus customers. Optus on Monday said it had appointed Deloitte to run an independent external review of the cyberattack.
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