The Chosun Ilbo on MSN

LG Uplus replaces SIMs as IMSI flaw enables location tracking

LG Uplus has initiated SIM card replacements amid controversy over the exposure of International Mobile Subscriber Identity ...
Wall Street Journal

Hackers Use Spyware to Track SIM Cards

Hackers are exploiting a vulnerability in software embedded in the SIM cards of hundreds of millions of phones to track users’ whereabouts—a novel form of spyware targeting one of the most important ...