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Chinese Fire Ant hackers turn Cisco routers into spying platforms

Chinese APT Fire Ant is hiding GRE tunnels on Cisco IOS XR routers that evade standard config audits — European enterprises with Cisco edge gear should immediately compare live interface states against committed configurations.

Summary written by editorial AI · Source link below

Filed by BleepingComputer1 min readRead at source ↗

The researchers discovered Fire Ant's new tactic after finding an active GRE (Generic Routing Encapsulation) tunnel interface on a Cisco IOS XR router that could not be explained by a running configuration or commit history. [...]

Editorial Analysis

Why it matters

Covert router implants by a state-sponsored actor bypass conventional network audits, potentially enabling long-term espionage across European critical infrastructure.

What to do

Audit all Cisco IOS XR routers by comparing runtime interface states to committed configurations and investigate any undocumented GRE tunnels.

Board brief

A Chinese state-sponsored group is converting Cisco routers into covert espionage platforms — an immediate infrastructure audit is warranted.

Forward-looking interpretation drafted by editorial AI under human review — not a reproduction of the source. See methodology.

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Read the full report at BleepingComputer

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