From an exodus of subscribers and market cap evaporation worth 923.6 billion won ($643.2 million), a security breach on SK Telecom's SIM cards is dealing a heavy blow to the country's largest wireless ...

A telecom giant is offering 25 million people free SIM cards after a massive hack left its customers' sensitive personal ...

SK Telecom Co., Ltd. engages in the provision ... The Wireless Communication division deals with mobile phone, wireless data, information, and communication business. The Wired Communication ...

SK Telecom is the country's largest mobile network operator, serving roughly half of the domestic mobile phone market. On April 19, the company detected a malware running on its network that ...

The man discovered Tuesday that his SK Telecom phone service had been abruptly terminated. When the man visited a service center, he learned that someone had signed up for a budget plan with mobile ...