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Private data from 36 users was unintentionally shared with 101 individuals who had just downloaded the app
LG Uplus revealed that a temporary technical error earlier this week related to its AI-based voice call application, ixi O, had led to the exposure of private user information.
The incident, which was promptly addressed, raises questions around the company’s data security protocols amid heightened global scrutiny of privacy safeguards.
The company stated on Sunday that the mishap originated from a misconfigured caching system introduced during recent efforts to optimise the service. This configuration flaw resulted in data from 36 users being inadvertently shared with 101 different users that had redownloaded the app or were using it for the first time.
Data shared included call records that contained fragments of recipient phone numbers, call timestamps, and AI-generated conversation summaries.
Sensitive personal identifiers, such as resident registration numbers, passport details, or financial data, were not part of the exposed information, LG Uplus has confirmed.
LG Uplus said that the issue was resolved within 30 minutes of discovery. It subsequently clarified that each affected user’s call data was viewed by between one and six unrelated individuals. All affected individuals have been notified, according to the company.
“It was not the result of any external cyberattack. We sincerely apologise for the inconvenience and concern this may have caused, and we will fully cooperate with the authorities as they review the case,” said an LG Uplus spokesperson in a statement.
This glitch comes at an inopportune time for LG Uplus, with the company still facing ongoing investigations by a joint public-private cybersecurity task force into a hacking incident that occurred earlier this year.
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