[MirrorFace](https://attack.mitre.org/groups/G1054) is a People's Republic of China (PRC)-aligned cyberespionage actor believed to be a subgroup under the [menuPass](https://attack.mitre.org/groups/G0045) umbrella based on targeting, tools, and infrastructure overlaps. [MirrorFace](https://attack.mitre.org/groups/G1054) has…

[FIN6](https://attack.mitre.org/groups/G0037) is a cyber crime group that has stolen payment card data and sold it for profit on underground marketplaces. This group has aggressively targeted and compromised point…

[APT28](https://attack.mitre.org/groups/G0007) is a threat group that has been attributed to Russia's General Staff Main Intelligence Directorate (GRU) 85th Main Special Service Center (GTsSS) military unit 26165.(Citation: NSA/FBI Drovorub…

[Threat Group-3390](https://attack.mitre.org/groups/G0027) is a Chinese threat group that has extensively used strategic Web compromises to target victims.(Citation: Dell TG-3390) The group has been active since at least 2010…

[Leviathan](https://attack.mitre.org/groups/G0065) is a Chinese state-sponsored cyber espionage group that has been attributed to the Ministry of State Security's (MSS) Hainan State Security Department and an affiliated front company.(Citation:…

[MoustachedBouncer](https://attack.mitre.org/groups/G1019) is a cyberespionage group that has been active since at least 2014 targeting foreign embassies in Belarus.(Citation: MoustachedBouncer ESET August 2023)

[Chimera](https://attack.mitre.org/groups/G0114) is a suspected China-based threat group that has been active since at least 2018 targeting the semiconductor industry in Taiwan as well as data from the airline…

[menuPass](https://attack.mitre.org/groups/G0045) is a threat group that has been active since at least 2006. Individual members of [menuPass](https://attack.mitre.org/groups/G0045) are known to have acted in association with the Chinese Ministry…

[Sea Turtle](https://attack.mitre.org/groups/G1041) is a Türkiye-linked threat actor active since at least 2017 performing espionage and service provider compromise operations against victims in Asia, Europe, and North America. [Sea…

[ToddyCat](https://attack.mitre.org/groups/G1022) is a sophisticated threat group that has been active since at least 2020 using custom loaders and malware in multi-stage infection chains against government and military targets…

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