- SK Telecom is now giving replacement SIM cards away
- Earlier in April, it suffered a malware -infection where crook stole usim -data
- 25 million customers are eligible but only 6 million will be serviced in May
South Korea’s number a telecommunications provider, SK Telecom, provides free SIM cards to 25 million of its customers after the recent Usim Cyberattack. However, due to logistics challenges, it may not be able to service everyone so quickly.
Earlier in April, news that SK Telecom was suffering a malware infection broke through which threat actors tried to get hold of customer USIM information. The attack allegedly happened in mid -April 2025 at night between Saturday and Sunday when most employees were gone this weekend.
An Universal Subscriber Identity Module is the sequel to the old SIM card. It is used in 3G, 4G and 5G mobile networks and is found in most devices with cellular connection.
Booker a slot online
In its core authenticate an USIM device’s identity on a network, stores subscriber data (international mobile subscriber identity, approval keys, contacts and sometimes text messages), encrypts the information passing through, and provides secure access to mobile services such as calls, data or texts.
A cyber criminal could use the data to clone SIM, track People’s location, Bypass App Security or Eavesdrop on communications.
While the investigation is still ongoing and the number of persons affected has not yet been decided, SK Telecom announced to offer replacement of SIM cards to 25 million mobile subscribers, including approx. Two million wasted from budget companies. However, it has no more than six million units throughout May 2025, which is why the company encouraged users to book a slot online:
“SK Telecom has blocked SIM information abuse with its FDS and SIM Protection Services, but it still offers a free service to customers who want to replace their SIM card,” reads the machine-translated message. “Currently we have 1 million USIMs and we plan to secure another 5 million Sims in late May. However, it is expected that there will be a large number of customers at once, so check in advance through the online reservation application system.”
Via Bleeping computer
