In 2025, SK Telecom uncovered a significant security breach that exposed the personal data of 27 million users, with the intrusion potentially dating back to 2021. The incident led to a record fine and regulatory orders to improve data protection practices. #SKT #HSS #CustomerDataProtection
Keypoints
- Attackers exploited long-standing vulnerabilities within SK Telecom’s systems.
- The breach compromised sensitive customer data, including IMSI, IMEI, and USIM keys.
- Approximately 27 million users were affected by the cyberattack.
- Regulators imposed a record fine of 134 billion won on SKT for security failures.
- SK Telecom has committed to strengthening its cybersecurity governance and protections.
Read More: https://securityonline.info/south-korea-fines-sk-telecom-96-5m-over-massive-data-breach/