• SK Telecom offers free SIM cards to customers after data breach

    From TechnologyDaily@1337:1/100 to All on Wed Apr 30 19:15:07 2025
    SK Telecom offers free SIM cards to customers after data breach

    Date:
    Wed, 30 Apr 2025 18:00:00 +0000

    Description:
    Some 25 million people are eligible for a replacement SIM card but most will have to wait a bit longer.

    FULL STORY ======================================================================SK Telecom is now giving away replacement SIM cards Earlier in April, it
    suffered a malware infection in which crooks stole USIM data 25 million customers are eligible, but just 6 million will be serviced in May

    South Koreas number one telecommunications provider, SK Telecom, is giving away free SIM cards to 25 million of its customers, after the recent USIM cyberattack. However, due to logistics challenges, it wont be able to service everyone that fast.

    Earlier in April, news broke that SK Telecom suffered a malware infection through which threat actors tried to grab customer USIM information. The attack allegedly happened in mid-April 2025, at night between Saturday and Sunday, when most employees were away for the weekend.

    A USIM (Universal Subscriber Identity Module) is the successor of the old SIM card. Its used in 3G, 4G, and 5G mobile networks and is found in most devices with cellular connectivity. Booking a slot online

    At its core, a USIM authenticates the devices identity on a network, stores subscriber data (International Mobile Subscriber Identity, authentication keys, contacts, and sometimes text messages), encrypts the information
    passing through, and enables secure access to mobile services such as calls, data, or texts.

    A cybercriminal could use the data to clone the SIM, track peoples location, bypass app security, or eavesdrop on communications.

    While the investigation is still ongoing and the number of affected individuals is yet to be determined, SK Telecom announced offering
    replacement SIM cards to 25 million mobile subscribers, including some two million spilled over from budget carriers. However, it wont have more than
    six million units throughout May 2025, which is why the company urged users
    to book a slot online:

    SK Telecom has blocked the misuse of SIM information with its FDS and SIM protection services, but it still offers a free service for customers who
    want to replace their SIM card, reads the machine-translated announcement. Currently, we have 1 million USIMs, and we plan to secure an additional 5 million SIMs by the end of May. However, it is expected that there will be a large number of customers at once, so please check in advance through the online reservation application system.

    Via BleepingComputer You might also like SK Telecom reveals cyberattack, customer USIM data stolen could be used in attacks Take a look at our guide
    to the best authenticator app We've rounded up the best password managers



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    Link to news story: https://www.techradar.com/pro/security/sk-telecom-offers-free-sim-cards-to-cus tomers-after-data-breach


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