LG Uplus Discloses Ixio AI Call App Data Leak Affecting 36 Customers
LG Uplus, a South Korean telecommunications provider, reported a data leak on December 6, 2025, involving its AI-based call app, Ixio. A cache setting error during operational improvement work temporarily exposed call information of 36 customers to 101 other users. The exposed data included counterparty phone numbers, call times, and one-line call content summaries. The company proactively reported the incident to the Personal Information Protection Commission (PIPC) and emphasized it was due to human error, not hacking.
Signal context
First seen: Dec 6, 2025
Last updated: Jul 2, 2026
Status: Public signal
Key points
- LG Uplus disclosed a data leak on December 6, 2025, related to its Ixio AI call app.
- A cache setting error exposed call information of 36 customers to 101 other users.
- Exposed data included phone numbers, call times, and call content summaries.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Information
Likely country: Location not provided
Watch process controls, misconfiguration and accidental disclosure paths.
- Source type: outside the affected organization
Impact area: Confidentiality
Likely asset: User or customer data
- 23 signals in the same sector
- 88 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
LG Uplus discloses Ixio call data leak affecting 36 customers - CHOSUNBIZhttps://biz.chosun.com/en/en-it/2025/12/06/BBL6KEXJYRAVZKE7VANMMWTWWI/Public source from biz.chosun.com.
Call data of 36 users on LG Uplus' AI call app leaked - The Korea Timeshttps://www.koreatimes.co.kr/business/companies/20251206/call-data-of-36-users-on-lg-uplus-ai-call-app-leakedPublic source from koreatimes.co.kr.
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