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US Sanctions Network of Exploit Brokers That Stole US Government Cyber Tools

Cybersecuritynews •Guru Baran • February 25, 2026

The U.S. Department of the Treasury’s Office of Foreign Assets Control (OFAC) on February 24, 2026, designated Russian national Sergey Sergeyevich Zelenyuk and his St. Petersburg-based company Matrix LLC operating publicly as Operation Zero, along with five associated individuals and entities, for acquiring and distributing cyber tools directly harmful to U.S. national security. This marks […]

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U.S. Sanctions Target Russian Zero-Day Exploit Brokers The U.S. Treasury announced sanctions against two companies and their founders involved in acquiring and reselling zero-day exploits, which are vulnerabilities in software that can be exploited by hackers. An Australian national was implicated in selling cyber tools to a Russian company, Operation Zero, which poses risks to U.S. national security and economic interests. 25 sources 33

US Sanctions Network of Exploit Brokers That Stole US Government Cyber Tools

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