Cybersecurity agencies from 12 countries have issued a fresh warning that a Russian state-sponsored cyber unit is actively targeting vulnerable routers worldwide. The joint advisory detailed how Russian Federal Security Service (FSB) Center 16 cyber actors have been observed hunting for vulnerable routers by scanning the internet for devices that still use default or weak Simple Network Management Protocol (SNMP) passwords and community strings. Center 16 is also known as Berserk Bear, Energetic Bear, Crouching Yeti, Dragonfly, Ghost Blizzard and Static Tundra. Sectors most at risk from this global targeting, including communications, defence, energy, financial services, government and healthcare, are being urged to take action. This includes using SNMPv3, as it provides built-in…