UNC4191 is a threat group thought to operate from China. Public reporting about it is still limited. This free profile brings together what is known about it, so you can judge the risk to you. It lists the other names the group goes by and links to every public report behind it.
UNC4191 is tracked under one name in security research. Below is what published reporting says about it, with a link to every report so you can check the detail yourself.
What public reporting says
UNC4191 is a China-linked threat actor that has been involved in cyber espionage campaigns targeting public and private sectors primarily in Southeast Asia. They have been known to use USB devices as an initial infection vector and have been observed deploying various malware families on infected systems. UNC4191's operations have also extended to the US, Europe, and the Asia Pacific Japan region, with a particular focus on the Philippines.
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UNC4191 is a threat group thought to operate from China. Public reporting about it is still limited.
Public reporting places UNC4191 as operating from China. Attribution is never certain: it rests on the tools, infrastructure and targets researchers have seen.
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