Improve Router Hygiene to Protect Against Russian State-Sponsored Targeting
Summary
Russian FSB cyber actors are exploiting poorly configured and vulnerable networking devices to compromise critical infrastructure networks globally. This advisory provides updated tactics, techniques, and procedures (TTPs) to help defenders understand and counter this ongoing threat, building on previous FBI alerts.
IFF Assessment
The article details ongoing exploitation of critical infrastructure by a state-sponsored threat actor, posing a direct risk to defenders.
Severity
CISA KEV: Listed as actively exploited. Federal patch due: May 03, 2022. Known ransomware use: Unknown.
Defender Context
Defenders should prioritize securing and hardening their network devices, especially routers, by ensuring proper configuration and applying all available security patches. This advisory highlights the persistent threat from state-sponsored actors targeting widely exploited vulnerabilities in network infrastructure.