The telecommunications giant is in the process of communicating with customers whose details were incorrectly made available via Director Assistance or the White Pages.
The largest telecom company in Australia, Telstra Corp Ltd, reported on Sunday that an internal error that leaked customer information affected 132,000 subscribers. According to Telstra, which has 18.8 million customer accounts, or 75 per cent of Australia's population, the information was made public owing to "a misalignment of databases," according to an internal review.
According to a business blog post published on Friday, "certain customers' names, numbers, and addresses" were listed when they shouldn't have been.
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