[COINBASECARTEL] – Ransomware Victim: SK-Telecom

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NOTE: No files or stolen information are exfiltrated, downloaded, taken, hosted, seen, reposted, or disclosed by RedPacket Security. Any legal issues relating to the content should be directed at the attackers, not RedPacket Security. This blog is an editorial notice informing that a company has fallen victim to a ransomware attack. RedPacket Security is not affiliated with any ransomware threat actors or groups and will not host infringing content. The information on this page is automated and redacted whilst being scraped directly from the COINBASECARTEL Onion Dark Web Tor Blog page.

Ransomware group:
COINBASECARTEL
Victim name:
SK-TELECOM

AI Generated Summary of the Ransomware Leak Page

On 2025-10-29 08:09:39.953173, a leak post attributed to the ransomware group coinbasecartel identifies SK-Telecom as a victim. SK-Telecom is described as South Korea’s largest wireless carrier, offering mobile services, broadband, IPTV, and cutting-edge AI and IoT solutions. The post situates the company within the Telecommunication industry and lists the country as KR. Because no separate compromise date is provided in the dataset, this key_date should be treated as the post date of the leak. The post does not specify whether encryption or data exfiltration occurred; the impact field is blank, and no ransom figure is given. A claim URL is indicated as present on the leak page, suggesting additional information or demands may be available, though the actual link is not included here. There are no media attachments reported on the page—no screenshots, images, downloads, photos, or files.

From a media perspective, the leak page contains no screenshots or internal documents, and there are no downloadable assets associated with the entry. The annotations show empty lists for images and links, and the dataset provides no body text beyond the high-level description. The only notable detail is the presence of a claim URL within the page, but no explicit ransom amount or data volume is disclosed in the provided data. In sum, the page identifies SK-Telecom and outlines its status as a major South Korean telecom operator, but the available data does not include evidence of encryption, data leakage specifics, or a quantified demand.

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