Treasury Sanctions Russian Exploit Broker ‘Operation Zero’

The Department of the Treasury’s Office of Foreign Assets Control (OFAC) on Tuesday sanctioned Russian national Sergey Sergeyevich Zelenyuk and his company, Matrix LLC – known as Operation Zero – along with five associated individuals and entities, for allegedly trading in cyber tools that the department said threaten U.S. national security.

Feb 27, 2026 - 00:00
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Treasury Sanctions Russian Exploit Broker ‘Operation Zero’
The Department of the Treasury’s Office of Foreign Assets Control (OFAC) on Tuesday sanctioned Russian national Sergey Sergeyevich Zelenyuk and his company, Matrix LLC – known as Operation Zero – along with five associated individuals and entities, for allegedly trading in cyber tools that the department said threaten U.S. national security.

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