The US government says Midnight Blizzard’s compromise of Microsoft corporate email accounts "presents a grave and unacceptable risk to federal agencies."
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...