Poseidon Group
Intelligence Profile
[Poseidon Group](https://attack.mitre.org/groups/G0033) is a Portuguese-speaking threat group that has been active since at least 2005. The group has a history of using information exfiltrated from victims to blackmail victim companies into contracting the [Poseidon Group](https://attack.mitre.org/groups/G0033) as a security firm. (Citation: Kaspersky Poseidon Group)
Threat Analysis
Poseidon Group is a known-sophistication threat actor attributed to Brazil, engaged in cyber operations with a primary motivation of unknown activity patterns.
Known Campaigns
Poseidon Group is a unknown-motivation threat actor attributed to BR. Poseidon Group is a Portuguese-speaking threat group that has been active since at least 2005. The group has a history of using information exfiltrated from victims to blackmail victim companies into contracting the Poseidon Group as a security firm....