CSIDB logo
Organisation

SK Telecom

Profile

Primary URL
www[.]sktelecom[.]com
Location
South Korea
Sector
Telecommunications
Known incidents
1 incident
Updated
2026-09-16 04:56
Aliases
2 aliases

Organisation tracking is available to eligible accounts.

Profile narrative

SK Telecom is a South Korean telecommunications company.
It provides mobile voice and data services to consumers and enterprises.
In addition, the company offers fixed-line broadband, internet connectivity, and a range of ICT solutions such as cloud computing, artificial intelligence, and Internet of Things platforms.

SK Telecom is recognized as the largest mobile operator in South Korea.
It serves a substantial portion of the country's population with a nationwide network infrastructure.
This infrastructure supports multiple generations of technology, including 5G, LTE, and legacy services.

The company has been a pioneer in the deployment of 5G networks within South Korea.
It continues to invest in advanced technologies such as edge computing, AI-driven services, and digital transformation platforms for both consumer and business customers.
SK Telecom also holds a significant position in the national ICT sector and is subject to oversight by regulators including the Personal Information Protection Commission and the Korea Communications Commission.

SK Telecom is a publicly traded subsidiary of the SK Group, one of South Korea's largest conglomerates.
In April 2025 the operator suffered a significant cyberattack when malware was installed on its USIM platform.
The breach exposed personal information of millions of subscribers, prompted regulatory fines, led to financial losses, triggered a mass SIM card replacement program, and resulted in ongoing legal challenges.

Incidents

1 incident linked to this organisation.

CSIDB