threat actor · Russia
COLDRIVER
21 techniques · 1 software
Out of date: the sync last ran 3 hours ago. Newer CVEs and scores may be missing from the map.
The strips, in order: the CVEs it is reported to exploit by weakness class and by vendor, the techniques ATT&CK says it uses by tactic, its malware and tools, then who it targets. Each square is one record.
Open COLDRIVER's actor pageStar Blizzard is a cyber espionage and influence group originating in Russia that has been active since at least 2019. Star Blizzard campaigns align closely with Russian state interests and have included persistent phishing and credential theft against academic, defense, government, NGO, and think tank organizations in NATO countries, particularly the US and the UK.
Source: MITRE ATT&CK, G1033. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.
- Also known as
- Callisto, SEABORGIUM, TA446, GOSSAMER BEAR, BlueCharlie, Star Blizzard, TAG-53, IRON FRONTIER, UNC4057, Blue Callisto, COLD RELIC, Reuse Team, Callisto Group, Nahr Elbard, Nahr el bared
- Origin
- Russia
- Kind
- state
- MITRE ATT&CK
- G1033
- On record in
- CyberSIXT · ATT&CK G1033 · MISP Galaxy
Data as of 2026-11-14. CVE List through 2026-11-14 · EPSS of 2026-11-13 · CISA KEV checked 2026-11-14. Sources: MITRE ATT&CK (© The MITRE Corporation, reproduced and distributed with its permission), the MISP Galaxy (CC0), and CyberSIXT's own coverage.