Threat actor · all actors
Yuanyuan Liu (ASML/Suzhou earlier IP transfer)INS-ASML-LIU-2022 insider
🇳🇱 NL
aka Yuanyuan Liu, Liu Yuanyuan
Last updated:
0attributed CVEs
0ATT&CK techniques
0.0IDF score (tooling uniqueness)
0exclusive CVEs
—years active
About this actor
Former ASML Suzhou (PRC) employee. Triggered ASML's 2022 disclosure that proprietary software was copied without authorization and transferred to PRC-aligned competitor Dongfang Jingyuan (a US Entity- Listed firm). Civil litigation; criminal referral pending.
How we know this
- Data origin
- Curated overlay Insider-threat entry synthesised from public reporting and court filings — not a MITRE-tracked intrusion set.
- Techniques
- No ATT&CK techniques mapped.
- Named victims
- 1 extracted from reporting.
Thin data: No ATT&CK techniques are mapped yet — the behavioural profile is empty. Only one named victim is on file.
See how actor data is built for the full pipeline.
Activity timeline
No activity events recorded.
Profile
| CVE | Risk | CVSS | EPSS | Published | Products |
|---|---|---|---|---|---|
| No attributed CVEs. | |||||
No techniques attributed.
Co-occurring actors
None.