[포토] LG유플러스 유심(USIM) 교체 및 업데이트 진행

LG U+ discovered a critical security vulnerability where customer phone numbers were partially embedded in IMSI identifiers, prompting an emergency USIM replacement program for all subscribers. This incident exposes how fundamental telecom authentication systems can leak sensitive personal data, raising concerns about similar vulnerabilities across the industry. The carrier's swift response underscores growing awareness of security risks in telecommunications infrastructure.