Sandworm Upgrades Cyclops Blink Botnet, Chains Cisco Flaws

Russian APT group Sandworm is deploying an upgraded Cyclops Blink botnet by chaining Cisco vulnerabilities, marking a resurgence of a malware family the FBI disrupted in 2022. The upgrade suggests improved evasion and persistence capabilities, posing renewed threat to network infrastructure. Attribution is based on threat-intel reporting; operational impact and scope remain partially unverified.