Telstra is blaming a “database misalignment,” not hackers, for a data breach after it published the personal details of more than 130,000 customers online via the directory assistance and White Pages.
Telstra has confirmed it had uncovered the breach following an internal review.
The telecommunications giant said the breach had impacted customers who had requested their details be unlisted and that their names, addresses and mobile numbers had been made visible online.
The company is now in the process of contacting affected customers directly, to assure them their details will be removed from both services and to offer free support through IDCARE.
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Chief Financial Officer, Michael Ackland, has apologised for the incident confirming the breach was caused by a “misalignment” of Telstra’s databases.
“(This) resulted in some customers’ names, numbers and addresses being listed when they should not have been,” he said.
“This was a result of a misalignment of databases – no cyber activity was involved.”
Mr Ackland said Telstra immediately began the process of removing the personal details of impacted customers details as soon as it became aware of the breach.
“We are conducting an internal investigation to better understand how it happened and to protect against it happening again,” he said.
“Protecting our customers’ privacy is absolutely paramount, and for the customers impacted we understand this is an unacceptable breach of your trust.
“We’re sorry it occurred, and we know we have let you down.”