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Ukrainian government systems and critical infrastructure in Western allied countries

The person at the center of this case

Ukrainian government systems and critical infrastructure in Western allied countries

Case
#859
SourceFBI WantedUpdated Mar 15, 2026
International - Ukraine and Western allied nations
United States District Court, District of Maryland; FBI Cyber Division
Cold Case · Open
2 years waiting · since 2024

YURIY FEDOROVICH DENISOV

Justice for Ukrainian government systems and critical infrastructure in Western allied countries — 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 Yuriy Fedorovich Denisov and the other five alleged conspirators?

🔍
evidence
Lead #2

How was the WhisperGate malware specifically deployed and what systems remain vulnerable to similar attacks?

💡
clue
Lead #3

What role did civilian Amin Timovich Stigal play compared to the five Russian military intelligence officers?

Yuriy Fedorovich Denisov and five co-conspirators are wanted for orchestrating a sophisticated cyber warfare campaign on behalf of Russian military intelligence (GRU Unit 29155) between December 2020 and August 2024. The group deployed the destructive 'WhisperGate' malware to compromise critical infrastructure systems in Ukraine and dozens of Western allied nations. Federal charges for conspiracy to commit computer intrusion and wire fraud were issued in August 2024, and their whereabouts remain unknown as authorities seek to apprehend them.

Case
#859
SourceFBI WantedUpdated Mar 15, 2026
International - Ukraine and Western allied nations
United States District Court, District of Maryland; FBI Cyber Division

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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.

📍
location
Lead #4

Which specific Western allied countries had their critical infrastructure compromised, and what was the strategic objective?

📞
contact
Lead #5

Are there any known associates or support networks facilitating these individuals' continued operations or evasion?

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

Conspiracy Period Begins

Criminal cyber activities allegedly begin in December 2020

🕵️
2024-08-07

Federal Charges Filed

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

Case Information

Incident:December 1, 2020
Last Updated:September 11, 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:September 11, 2026

Up to $10 Reward

For information leading to the resolution of this case