Hacker Group Linked to Russian Military Claims Credit for Cyberattack on Kyivstar

A hacker group calling itself Solntsepek—previously linked to Russia’s notorious Sandworm hackers—says it carried out a disruptive breach of Kyivstar, a major Ukrainian mobile and internet provider...

Russia's Sandworm Hackers Attempted a Third Blackout in Ukraine

The attack was the first in five years to use Sandworm's Industroyer malware, which is designed to automatically trigger power disruptions...

Russia’s Sandworm Hackers Have Built a Botnet of Firewalls

Western intelligence services are raising alarms about Cyclops Blink, the latest tool at the notorious group’s disposal...