USIM Archives | Be Korea-savvy
SK Telecom Set To Complete USIM Replacement After Massive Cyberattack

SK Telecom Set To Complete USIM Replacement After Massive Cyberattack

SEOUL, June 19 (Korea Bizwire) — SK Telecom Co., South Korea’s leading mobile carrier, said Thursday it has nearly completed replacing universal subscriber identity module (USIM) chips for its entire user base of 25 million, about two months after it said sensitive USIM data may have been leaked due to an unidentified cyberattack on its [...]

Investigation Into SK Telecom Data Breach Expands to KT, LG Uplus, Naver, Kakao: Sources

Investigation Into SK Telecom Data Breach Expands to KT, LG Uplus, Naver, Kakao: Sources

SEOUL, May 26 (Korea Bizwire) — A joint government-private investigation team looking into SK Telecom Co.’s recent large-scale data breach has extended its probe to the servers of other major mobile carriers and platform companies, but found no signs they have been compromised, industry sources said Monday. Initially, the team had asked local telecommunications and [...]

LG Uplus Collaborates with Samsung to Develop USIM Defect Alert for Smartphones

LG Uplus Collaborates with Samsung to Develop USIM Defect Alert for Smartphones

SEOUL, July 25 (Korea Bizwire) — Samsung Electronics Co.’s upcoming Galaxy Z Flip 5 foldable phone and Z Fold 5 will be equipped with a function to inform users about any defective universal subscriber identity module (USIM). LG Uplus Corp., South Korea’s No. 3 mobile carrier, said Monday it has developed this feature in collaboration [...]

LG Uplus Commercializes World’s First PUF-based USIM

LG Uplus Commercializes World’s First PUF-based USIM

SEOUL, Oct. 12 (Korea Bizwire) — LG Uplus Corp., a major South Korean telecom operator, has announced the world’s first commercialization of a Physical Unclonable Function (PUF)-based Universal Subscriber Identity Module (USIM) in collaboration with security solutions company ICTK Holdings. PUF is a technology that prevents counterfeits or modifications using the difference in microstructure of [...]

Korea Questions Monopolized USIM Distribution of Major Telecom Companies

Korea Questions Monopolized USIM Distribution of Major Telecom Companies

SEOUL, July 21 (Korea Bizwire) – The Green Consumer Network (GCN) pointed out Thursday that Korea’s Big Three telecommunications companies – SK Telecom, KT and LG Uplus – are racking up excessive retail profits by selling USIMs (Universal Subscriber Identity Module) via their own distribution networks.  The GCN analyzed sales and pricing data for smartphone [...]