[Mustang Panda](https://attack.mitre.org/groups/G0129) is a China-based cyber espionage threat actor that has been conducting operations since at least 2012. [Mustang Panda](https://attack.mitre.org/groups/G0129) has been known to use tailored phishing lures…

[Mustard Tempest](https://attack.mitre.org/groups/G1020) is an initial access broker that has operated the [SocGholish](https://attack.mitre.org/software/S1124) distribution network since at least 2017. [Mustard Tempest](https://attack.mitre.org/groups/G1020) has partnered with [Indrik Spider](https://attack.mitre.org/groups/G0119) to provide access…

[CURIUM](https://attack.mitre.org/groups/G1012) is an Iranian threat group, first reported in September 2019 and active since at least July 2018, targeting IT service providers in the Middle East.(Citation: Symantec Tortoiseshell…

[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…

[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…

[Axiom](https://attack.mitre.org/groups/G0001) is a suspected Chinese cyber espionage group that has targeted the aerospace, defense, government, manufacturing, and media sectors since at least 2008. Some reporting suggests a degree…

[BlackByte](https://attack.mitre.org/groups/G1043) is a ransomware threat actor operating since at least 2021. [BlackByte](https://attack.mitre.org/groups/G1043) is associated with several versions of ransomware also labeled [BlackByte Ransomware](https://attack.mitre.org/software/S1180). [BlackByte](https://attack.mitre.org/groups/G1043) ransomware operations initially used…