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

The person at the center of this case

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

Case
#859
SourceFBI WantedUpdated Mar 15, 2026
International (Ukraine, Western allied countries)
United States District Court, District of Maryland; FBI
Cold Case · Open
1 year waiting · since 2024

YURIY FEDOROVICH DENISOV

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

Start here

Key leads to think about

🎯
suspect
Lead #1

What is the current location and operational status of these GRU Unit 29155 officers?

🔍
evidence
Lead #2

How was the WhisperGate malware developed and deployed, and what specific vulnerabilities did it exploit?

📍
location
Lead #3

Which Western allied nations' critical infrastructure systems were compromised, and what damage resulted?

Six individuals—five Russian military intelligence officers and one civilian—are wanted for their alleged involvement in a sophisticated cyber conspiracy targeting Ukrainian government systems and critical infrastructure across Western allied nations between December 2020 and August 2024. The group allegedly deployed destructive "WhisperGate" malware on behalf of Russia's GRU Unit 29155, causing significant disruption to critical systems. Federal arrest warrants were issued in August 2024, and their whereabouts remain unknown, making this an active international cybercrime investigation.

Case
#859
SourceFBI WantedUpdated Mar 15, 2026
International (Ukraine, Western allied countries)
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 role did civilian Amin Timovich Stigal play in this military intelligence operation?

📞
contact
Lead #5

Are there any known associates or accomplices still at large assisting this group?

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

Conspiracy Period Begins

Criminal cyber activities allegedly begin in December 2020

🕵️
2024-08-07

Federal Arrest Warrants Issued

Federal arrest warrants issued in U.S. District Court, District of Maryland, Baltimore, Maryland for all six individuals charged with Conspiracy to Commit Computer Intrusion and Damage and Wire Fraud Conspiracy

Case Information

Incident:December 1, 2020
Last Updated:April 29, 2026

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For information leading to the resolution of this case

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Case Information

Incident:December 1, 2020
Last Updated:April 29, 2026

Up to $10 Reward

For information leading to the resolution of this case