Threat Actor
UAC-0099
- First Reported
- Jun 25, 2026
- Latest Reported
- Oct 8, 2026
Reported Context (2)
- ESET tracks the group as UAC-0099 and assesses with moderate confidence that it is linked to Russian interests. ESET considers it likely to be an initial access broker for Sandworm. Russia-Linked Group Enhances MatchBoil Malware to Target Ukrainian Organizations
- Russia-aligned group that ESET observed conducting initial access operations in 2025 and transferring validated targets to Sandworm. ESET Details Gamaredon’s 2025 Cyberespionage Tactics Against Ukraine
CVE (1)
Malware (15)
Threat Actors (4)
MITRE ATT&CK (22)
Vendors (12)
Products (2)
Tools (2)
Industries (5)
Countries (2)
Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.