The United States Department of the Treasury has launched a major crackdown on a shadowy network of exploit brokers trafficking stolen U.S. government cyber tools. On February 24, 2026, the Office of Foreign Assets Control (OFAC) slapped sanctions on Russian national Sergey Zelenyuk and his firm, Operation Zero, along with key affiliates. This bold move […] The post U.S. Slaps Sanctions on Exploit Brokers Linked to Theft of Government Hacking Tools appeared first on Cyber Security News.