Cyber Resilience

Campaign · all campaigns

Operation CuckooBeesC0012 unknown

aka Operation CuckooBees

Last updated: 2026-08-20

0attributed CVEs
48ATT&CK techniques
0.0IDF score (tooling uniqueness)
0exclusive CVEs
—years active

About this actor

[Operation CuckooBees](https://attack.mitre.org/campaigns/C0012) was a cyber espionage campaign targeting technology and manufacturing companies in East Asia, Western Europe, and North America since at least 2019. Security researchers noted the goal of [Operation CuckooBees](https://attack.mitre.org/campaigns/C0012), which was still ongoing as of May 2022, was likely the theft of proprietary information, research and development documents, source code, and blueprints for various technologies. Researchers assessed [Operation CuckooBees](https://attack.mitre.org/campaigns/C0012) was conducted by actors affiliated with [Winnti Group](https://attack.mitre.org/groups/G0044), [APT41](https://attack.mitre.org/groups/G0096), and BARIUM.(Citation: Cybereason OperationCuckooBees May 2022)

Source: MITRE ATT&CK

How we know this

Data origin
MITRE ATT&CK campaign Imported from the MITRE ATT&CK STIX bundle as a campaign object.
Techniques
MITRE ATT&CK STIX mappings — 48 ATT&CK techniques on file.
Named victims
None on file.

See how actor data is built for the full pipeline.

Activity timeline

No activity events recorded.

Profile

CVERiskCVSSEPSSPublishedProducts
No attributed CVEs.

Mitigating controls (NIST 800-53)

ControlTechniques coveredCoverage
SI-432 / 4867%
CM-628 / 4858%
CM-222 / 4846%
CM-722 / 4846%
AC-321 / 4844%
AC-220 / 4842%
AC-620 / 4842%
SI-320 / 4842%
RA-515 / 4831%
AC-514 / 4829%
IA-214 / 4829%
SI-714 / 4829%
CA-713 / 4827%
CM-513 / 4827%
SI-1010 / 4821%

Co-occurring actors

None.

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