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. 1
- Kaspersky Poseidon Group
Claims and citations
Every claim comes from a writer; provenance is the writer's assertion, not a review verdict from this directory. Validity reads by citation year.
| predicate | object | Valid | Conf. | Evidence |
|---|---|---|---|---|
| uses_technique | tech_t1049 | 2017 → … | 100 | src_mitre_attck_enterprise |
| uses_technique | tech_t1003 | 2017 → … | 100 | src_mitre_attck_enterprise |
| uses_technique | tech_t1007 | 2017 → … | 100 | src_mitre_attck_enterprise |
| uses_technique | tech_t1087.002 | 2017 → … | 100 | src_mitre_attck_enterprise |
| uses_technique | tech_t1087.001 | 2017 → … | 100 | src_mitre_attck_enterprise |
| uses_technique | tech_t1057 | 2017 → … | 100 | src_mitre_attck_enterprise |
| uses_technique | tech_t1036.005 | 2017 → … | 100 | src_mitre_attck_enterprise |
| uses_technique | tech_t1059.001 | 2017 → … | 100 | src_mitre_attck_enterprise |
Technique use
| ATT&CK | Technique | platforms |
|---|---|---|
| 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 | — |
Aliases
Poseidon Group
Reading and review
Records are auto-ingested and not human-reviewed. Confidence is the writer's 0–100 value; bands split at ≥80 / 50–79 / <50 into high / medium / low. The four trust axes (synthetic, lifecycle, band, source count) stay separate and never merge into one score.