ThreatCluster

EU Sanctions GRU Officers for Cyber Operations

First seen 4 Dec 2025, 00:41 UTC • •28

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ThreatCluster •March 12, 2026 at 13:27 UTC

The European Union will impose sanctions on three GRU officers from Russia's military unit 29155, as reported by Sistema. The officers, Vladislav Borovkov, Denis Denisenko, and Dmitry Goloshubov, are involved in cyber operations and were highlighted in The Insider's investigation titled 'Hidden Bear: The GRU hackers of Russia’s most notorious kill squad.'

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More articles in this cluster (3)

Threat Graph

7 entities, 14 inferred relationships (STIX 2.1).

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Threat Actor (3)

Cadet Blizzard
GRU
GRU Hacker Group

Technique (1)

Malware

Organization (2)

Democratic Party
Ukrainian Government

Malware (1)

X-Agent

Relationships

Cadet Blizzard uses X-Agent
GRU uses X-Agent
GRU Hacker Group uses X-Agent
Cadet Blizzard uses Malware
GRU uses Malware
GRU Hacker Group uses Malware
Cadet Blizzard targets Democratic Party
Cadet Blizzard targets Ukrainian Government
GRU targets Democratic Party
GRU targets Ukrainian Government
GRU Hacker Group targets Democratic Party
GRU Hacker Group targets Ukrainian Government
X-Agent targets Democratic Party
X-Agent targets Ukrainian Government

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