Tag: gre tunnel
2 articles

Chinese Hackers Exploit Cisco Routers for Covert Surveillance
Chinese hackers have cleverly exploited Cisco routers, transforming them from mere transit devices to covert surveillance platforms, as discovered by incident responders at Sygnia. This sinister manipulation allows hackers to secretly collect data, with one of the first clues being an unexplained GRE tunnel interface on a Cisco IOS XR router.

Fire Ant Exploits Cisco Routers to Harvest Credentials and Evade Detection
When hackers take control of routers like Cisco's IOS XR, they don't just gain access - they gain a bird's-eye view of the entire network, allowing them to harvest sensitive credentials and fly under the radar. The notorious Fire Ant group recently exploited these routers to turn them into intelligence collection platforms, putting countless networks at risk.