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UnclassifiedIdeologyExpert sophistication

Jia Tan

Jia Tan is a threat actor group with an ideological motive, tracked by Brandefense. It uses 1 MITRE ATT&CK technique.

Also known as
  • JiaT75
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Techniques
1
Exploited CVEs
No CVE data
Record updated

About Jia Tan.

A long-time project contributor who stealthily injected the XZ-Utils backdoor into the liblzma.so library. Described as part of a 'very complex state-sponsored operation with impressive sophistication and multi-year planning'.

Last updated Jul 24, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.