Switzerland said that a cyberattack claimed by a pro-Russian group disrupted access to some government websites, following Ukrainian President Volodymyr Zelensky's visit to Davos.
Kyivstar, the largest mobile network operator in Ukraine, was hit by a massive cyberattack on Tuesday, disrupting mobile and internet communications for millions of...
Mandiant says Russia's Sandworm hackers used a novel OT attack to cause power outages that coincided with mass missile strikes on critical infrastructure across...