WASHINGTON - The FBI is warning that Russian government-backed hackers are exploiting outdated networking devices to target computer systems tied to U.S. critical infrastructure.

Warning for Cisco device users

What we know:

The FBI said cyber actors linked to Russia’s Federal Security Service, known as FSB Center 16, have been detected exploiting Simple Network Management Protocols and vulnerabilities in end-of-life Cisco devices. The group has collected configuration files for thousands of networking devices belonging to U.S. entities, in some cases modifying them to enable unauthorized access.

According to the FBI, the hackers then used that access to conduct reconnaissance on victim networks, showing an interest in protocols and applications connected to industrial control systems

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