Yem Chio Co
Attack Intelligence
Yem Chio Co was compromised in a ransomware attack attributed to dragonforce in December 2025. The organization, operating in an undisclosed sector in TW, was added to the group's data leak site as part of an extortion campaign.
dragonforce operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.
Yem Chio Co., Ltd. was founded in 1978 by Mr. Chih Hsien Lee who is the current President and CEO. Although our business was started with low capital and easy equipment, but it was with a broad vision and worldview. Since its early development in 1984, Yem Chio Group has now become a total capital up to US$ 850 million multinational corporations.
Intelligence correlations link this incident to 1 vulnerability(ies) including CVE-2025-5777, which may have been leveraged as initial access vectors or for lateral movement.