[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)
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