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Ukrainian government systems and critical infrastructure across Western allied nations

The person at the center of this case

Ukrainian government systems and critical infrastructure across Western allied nations

Case
#860
SourceFBI WantedUpdated Mar 15, 2026
International (Ukraine and Western allied countries)
Federal Bureau of Investigation (FBI) - United States District Court, District of Maryland
Cold Case · Open
1 year waiting · since 2024

DENIS IGOREVICH DENISENKO

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

Start here

Key leads to think about

🎯
suspect
Lead #1

What was Denis Igorevich Denisenko's specific technical role in deploying WhisperGate malware across multiple nations?

🔍
evidence
Lead #2

How did the GRU Unit 29155 coordinate the targeting and compromise of critical infrastructure systems across dozens of Western allied countries?

💡
clue
Lead #3

What operational security measures allowed this conspiracy to continue undetected for nearly four years from December 2020 to August 2024?

Denis Igorevich Denisenko is a Russian military intelligence officer wanted by the FBI for his alleged involvement in a sophisticated cyber conspiracy spanning December 2020 to August 2024. He and five co-conspirators, operating on behalf of Russia's GRU Unit 29155, allegedly deployed the destructive 'WhisperGate' malware to compromise Ukrainian government systems and critical infrastructure across dozens of Western allied nations. The case remains active as authorities seek to apprehend those responsible for one of the most significant state-sponsored cyber operations targeting NATO allies and Ukraine.

Case
#860
SourceFBI WantedUpdated Mar 15, 2026
International (Ukraine and Western allied countries)
Federal Bureau of Investigation (FBI) - United States District Court, District of Maryland

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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.

👤
person
Lead #4

How do the roles of the five Russian military intelligence officers differ from civilian conspirator Amin Timovich Stigal in this operation?

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: Denis Igorevich Denisenko, Yuriy Fedorovich Denisov , 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 United States District Court, District of Maryland, Baltimore, Maryland for Conspiracy to Commit Computer Intrusion and Damage and Wire Fraud Conspiracy

Case Information

Incident:December 1, 2020
Last Updated:May 12, 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:May 12, 2026

Up to $10 Reward

For information leading to the resolution of this case