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SK Telecom Offers SIM Replacements After Major Data Breach
South Korean telecom network SK Telecom is providing free SIM card replacements to all 25 million mobile subscribers following an April 19 security breach where malware compromised Universal Subscriber Identity Module data. Despite the company's announcement, only 6 million replacement cards will ...
South Korean telecom network SK Telecom is providing free SIM card replacements to all 25 million mobile subscribers following an April 19 security breach where malware compromised Universal Subscriber Identity Module data.Despite the company's announcement, only 6 million replacement cards will be available through May 2025. The stolen data potentially includes IMSI numbers, authentication keys, and network usage information, though customer names, identification details, and financial information remain secure. The primary risk is unauthorized SIM swapping attacks, where threat actors could clone SIM cards.
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