Fire Ant Hackers Compromise Cisco Routers and TACACS Servers to Target Critical Infrastructure
Tue Sep 01 2026
Critical Infrastructure
Networking
gbhackers.com
China-nexus threat actor Fire Ant has expanded its espionage operations from VMware hypervisors to the trusted infrastructure layer, compromising Cisco IOS XR routers, TACACS authentication servers, and Linux management hosts. Security firm Sygnia, which investigated the activity, said Fire Ant has remained active since it was first reported in 2025. The actor’s latest operations show […]
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