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Ukrainian government and critical infrastructure systems; Western allied nations' infrastructure

The person at the center of this case

Ukrainian government and critical infrastructure systems; Western allied nations' infrastructure

Case
#859
SourceFBI WantedUpdated Mar 15, 2026
United States District Court, District of Maryland; FBI
Cold Case · Open
2 years waiting · since 2024

YURIY FEDOROVICH DENISOV

Justice for Ukrainian government and critical infrastructure systems; Western allied nations' infrastructure — the trail went cold in 2024, but the truth hasn't.

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Key leads to think about

🎯
suspect
Lead #1

Where are the six suspects currently located and what is their operational status?

🔍
evidence
Lead #2

What specific WhisperGate malware variants were deployed and how were they distributed?

📍
location
Lead #3

Which Western allied countries' critical infrastructure was compromised?

Yuriy Fedorovich Denisov and five co-conspirators are wanted for a sophisticated cyber attack campaign targeting Ukrainian government systems and critical infrastructure in Western allied nations between December 2020 and August 2024. The alleged GRU Unit 29155 operatives deployed destructive 'WhisperGate' malware to compromise computer systems for strategic benefit to Russia. Federal arrest warrants were issued in August 2024, and their current whereabouts remain unknown as the investigation continues.

Case
#859
SourceFBI WantedUpdated Mar 15, 2026
United States District Court, District of Maryland; FBI

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More leads to consider

Beyond the top three above — each detail below could be the thread that pulls this case open.

💡
clue
Lead #4

What was the strategic objective of targeting Ukrainian government systems during this period?

Have information about any of these leads?

Even the smallest detail could be the key to solving this case.

Official wording

Source Narrative

Conspiracy to Commit Computer Intrusion and Damage; Wire Fraud Conspiracy Caution: Yuriy Fedorovich Denisov, Denis Igorevich Denisenko , Dmitriy Yuryevich Goloshubov , Nikolay Aleksandrovich Korchagin , Vladislav Yevgenyevich Borovkov , and Amin Timovich Stigal are wanted for their alleged involvement in criminal cyber activities between December of 2020 and August of 2024. The five Russian military intelligence officers and one civilian, Stigal, allegedly conspired on behalf of the Main Intelligence Directorate of the General Staff of the Russian Federation (GRU) Unit 29155 , and allegedly targeted and compromised computer systems, including Ukrainian government systems associated to critical infrastructure, using “WhisperGate” malware.

The men are also allegedly responsible for targeting and compromising critical infrastructure in dozens of Western allied countries. They are charged for their alleged roles in a computer hacking conspiracy intended to deploy destructive malware and take other disruptive actions, for the strategic benefit of Russia, through unauthorized access to victims’ computers.

Federal arrest warrants were issued for each of the men in the United States District Court, District of Maryland, Baltimore, Maryland, on August 7, 2024, after they were charged with Conspiracy to Commit Computer Intrusion and Damage and Wire Fraud Conspiracy.

Timeline of Events

⏰
2020-12-01

Campaign begins

Alleged cyber conspiracy activities begin in December 2020

🕵️
2024-08-07

Federal arrest warrants issued

Warrants issued in United States District Court, District of Maryland for Conspiracy to Commit Computer Intrusion and Damage and Wire Fraud Conspiracy

Key Locations
Interactive map showing important locations related to this case

Case Information

Incident:December 1, 2020
Last Updated:October 30, 2026

Up to $10 Reward

For information leading to the resolution of this case

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Case Information

Incident:December 1, 2020
Last Updated:October 30, 2026

Up to $10 Reward

For information leading to the resolution of this case