SK Telecom confirmed ... mobile services such as calls, data, or texts. A cybercriminal could use the data to close the SIM, track people’s location, bypass app security, or eavesdrop on ...

South Korea's largest mobile operator, SK Telecom ... Subscriber Identity (IMSI), Mobile Station ISDN Number (MSISDN), authentication keys, network usage data, and SMS or contacts if stored ...

SK Telecom is now giving ... services such as calls, data, or texts. A cybercriminal could use the data to clone the SIM, track people’s location, bypass app security, or eavesdrop on ...

SK Telecom said Tuesday it has enrolled more than 24 million customers on its USIM Protection Service following a recent data breach involving the company's network. Some 24.1 million subscribers ...

It described the incident as a large-scale leak of data due to malware, without providing more details. SK Telecom also said it would start offering free universal subscriber identity module (USIM ...

(AP Photo/Ahn Young-joon) Seoul: South Korea's largest carrier SK Telecom started on Monday to replace mobile SIM chips for its 23 million users following a data breach, prompting alarmed ...