Ukraine issued the Telegram ban for the official devices of government employees, military personnel, security and defense workers, and critical infrastructure employees.
A secretive Russian military unit, previously linked to assassinations and destabilization in Europe, is blamed for destructive wiper malware attacks in Ukraine.
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...