Ransomware group coinbasecartel hits SK-Telecom - Data reuploaded
SK-Telecom - Data reuploaded — a telecommunication target operating in KR has been listed by the coinbasecartel ransomware group on 2026-02-28. The information below reflects what the threat actor has publicly claimed on their leak site; the details have not been independently verified.
Incident Report
| Target Organization | SK-Telecom - Data reuploaded |
|---|---|
| Threat Group | coinbasecartel |
| Summary | SK-Telecom - Data reuploaded, a telecommunication organization in South Korea, was listed by the coinbasecartel ransomware group on its leak site on 2026-02-28. |
| Date of Breach | 2026-02-28 |
| Discovery Date | 2026-02-28 |
| Region | KR |
| Target Domain | sktelecom.com |
| Business Sector | Telecommunication |
| Severity | MEDIUM |
Claim by coinbasecartel
[AI generated] SK Telecom is a leading South Korean wireless telecommunication services provider. It covers a vast range of services including mobile phone services, broadband Internet services, and digital media services. The company is renowned for its advancements in 5G, AI, IoT and autonomous vehicle technology. It is a key player in developing and setting standards for these technologies worldwide.
Posted by the coinbasecartel threat actor on its public leak site. This is the group's own statement and has not been independently verified by HackerFeeds.
Sources
Victim website
sktelecom.com
Leak post (onion / Tor)
http://fjg4zi4opkxkvdz7mvwp7h6goe4tcby3hhkrz43pht4j3vakhy75znyd.onion/companies/sktelecom
Open this URL in Tor Browser. Browsing leak sites carries real risk — view passively, never click further.
Disclaimer
HackerFeeds does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information. All breach data reported here is sourced from publicly available threat intelligence feeds for awareness purposes only.

