An Australian cybersecurity expert who served as director of L3Harris Trenchant, a U.S. defense contractor, has pleaded guilty in federal court to selling trade secrets to a Russian broker that resells cyber exploits to buyers including the Russian government.

Peter Williams, 39, pleaded guilty to two counts of theft of trade secrets that had been stolen over a three-year period from the defense contractor where he worked, the U.S. Justice Department announced in a news release.

The Justice Department did not name the American company, but British government corporate records showed it to be L3Harris Trenchant, where he was employed as the director from October 2024 until he resigned in August.

Williams admitted as part of his plea deal that he used his access to steal $35 million worth

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