US Warns of Ongoing Pro-Russia Critical Infrastructure Hacks

Ukrainian National Twice Indicted in Los Angeles for Pro-Russian Hacking Chris Riotta (@chrisriotta) • December 11, 2025

U.S. and allied cybersecurity agencies warned this week that pro-Russian hacktivists are targeting critical infrastructure through low-skill but persistent techniques that exploit exposed remote access tools. The alert came as federal prosecutors announced indictments charging a 33-year-old Ukrainian national for participating two of the most active group's critical infrastructure hacks.

See Also: Going Beyond the Copilot Pilot - A CISO's Perspective

An advisory from the Cybersecurity and Infrastructure Security Agency, the FBI, NSA and other U.S. and global agencies said pro-Russian hacktivists lean on opportunistic breaches targeting operational technology environments - often by scanning for internet-facing virtual network computing services with weak or no authentication protocols. Officials described the campaigns as "less sophisticated, lower-impact attacks" than ...