Tong Yang Group

Tong Yang Group was compromised in a ransomware attack attributed to qilin in October 2025. The organization, operating in the Manufacturing sector in TW, was added to the group's data leak site as part of an extortion campaign.

qilin 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.

Tong Yang Group is a manufacturer of automotive plastics, sheet metal, and cooling products, as well as motorcycle plastics products, molds, and paints. The company was founded in 1952 and is headquartered in Tainan, Taiwan.

Intelligence correlations link this incident to 1 vulnerability(ies) including CVE-2026-0257, which may have been leveraged as initial access vectors or for lateral movement.