Threat actor · all actors
Solntsepyok (Solntsepek front for GRU Sandworm)HACK-SOLNTSEPYOK hacktivist
🇷🇺 RU
aka Solntsepek, Solntsepyok
Last updated:
0attributed CVEs
0ATT&CK techniques
0.0IDF score (tooling uniqueness)
0exclusive CVEs
—years active
About this actor
Russian-aligned hacktivist persona that claimed the December 2023 Kyivstar telecom outage (Ukraine's largest mobile operator), affecting ~24M subscribers. Ukrainian SBU attributed the attack to GRU Unit 74455 (Sandworm) operating behind the Solntsepyok front.
How we know this
- Data origin
- Curated overlay Hacktivist entry synthesised from public reporting — not a MITRE-tracked intrusion set.
- Techniques
- No ATT&CK techniques mapped.
- Named victims
- 1 extracted from reporting.
Thin data: No ATT&CK techniques are mapped yet — the behavioural profile is empty. Only one named victim is on file.
See how actor data is built for the full pipeline.
Activity timeline
No activity events recorded.
Profile
| CVE | Risk | CVSS | EPSS | Published | Products |
|---|---|---|---|---|---|
| No attributed CVEs. | |||||
No techniques attributed.
Co-occurring actors
None.