Action designates Zelenyuk, his firm and several associates for acquiring and selling software “exploits” that enable hackers to gain unauthorised access to systems, including proprietary cyber tools stolen from a U.S. company and later sold for millions in cryptocurrency. The action—taken under Executive Order 13694 and alongside State Department sanctions under the Protecting American Intellectual Property Act—marks the first use of that law to target individuals involved in the theft and commercialisation of U.S. trade secrets that threaten national security…