Russia Was Behind Cyberattack in Run-Up to Ukraine War, Investigation Finds The February attack rattled Pentagon officials and private industry because it revealed new vulnerabilities in global communications systems.
Hackers Claim to Target Russian Institutions in Barrage of Cyberattacks and Leaks While the authenticity of leaked data could not be verified, the effort appears to be part of a campaign by hackers opposed to the Kremlin.
Ukraine Says It Thwarted a Sophisticated Russian Cyberattack on Its Power Grid Experts say the hacking, while unsuccessful, was among the most complex cyberattacks they have seen in the war so far.