The United States has sanctioned three Russian individuals and five entities under an executive order against malicious cyber activities and the Countering America's Adversaries Through Sanctions Act (CAATSA), the US Treasury Department's Office of Foreign Assets Control (OFAC) said on its website on Monday.
US authorities also targeted a St. Petersburg company named Divetechnoservice, which it said provided underwater diving equipment to the FSB.
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The designation blocks all property of those targeted that is subject to USA jurisdiction and prohibits American citizens from engaging in transactions with them.
The department said the sanctions were a response to a number of cyberattacks, including last year's NotPetya attack, as well as intrusions into the USA energy grid and global network infrastructure.
Even as officials in the U.S. and European countries cite Russian Federation for interference in their elections and its annexation of Crimea, insisting it remain expelled from the G7 until it returns the territory to Ukraine, Trump has repeatedly stressed the need for stronger relations with Moscow.
Treasury said the sanctions were a response to a number of cyberattacks, including last year's NotPetya attack, as well as intrusions into the USA energy grid and global network infrastructure.More news: Farrah Abraham arrested at Beverly Hills Hotel
"The United States is committed to aggressively targeting any entity or individual working at the direction of the FSB whose work threatens the United States", Mnuchin added.
ERPScan and Embedi were designated pursuant to E.O. The FSB was also one of several entities sanctioned by former President Barack Obama in December 2016 in response to Russian hacking of Democratic political organizations during the presidential election campaign that year.
In the June 11 announcement, the Treasury named a St. Petersburg-based company called Digital Security, accusing it of involvement in efforts "to increase Russia's offensive cyber capabilities".
"Today's action also targets the Russian government's underwater capabilities", said the Treasury, adding: "Russia has been active in tracking undersea communication cables, which carry the bulk of the world's telecommunications data".
The sanctioned individuals were Vladimir Kagansky, Alexander Tribun and Oleg Chirikov, whom Mnuchin identified as the owner of Divetechnoservices, the company's CEO and a manager at the company, respectively.
"Some of our research team were former members of Digital Security", Donald Anderson, the company's head of marketing, told i24NEWS when reached by phone.