Poseidon Group

MISP
Type:
Unknown
Country:
BR
First seen:
Unknown
Details:

[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)

MITRE ATT&CK: View on MITRE
Techniques Used (8)
ID ATT&CK Tactics
T1003 OS Credential Dumping -
T1007 System Service Discovery -
T1036.005 Match Legitimate Resource Name or Location -
T1049 System Network Connections Discovery -
T1057 Process Discovery -
T1059.001 PowerShell -
T1087.001 Local Account -
T1087.002 Domain Account -
References (3)
Aliases (196)
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Metadata
ID: 78
Created: 13/01/2026 17:48
Updated: 21/04/2026 16:00