Britain and the United States today released a rare joint statement warning of "malicious cyber activity" carried out by the Russian state.
"The targets of this malicious cyber activity are primarily government and private-sector organisations, critical infrastructure providers and the Internet Service Providers (ISPs) supporting these sectors," the statement said.
"Russian state-sponsored actors are using compromised routers to conduct spoofing 'man-in-the-middle' attacks to support espionage, extract intellectual property, maintain persistent access to victim networks and potentially lay a foundation for future offencive operations," the UK and US warned.
They cited cyber security research organisations and other governments as providing evidence of such attacks, without providing details of their timing or scale.
"The current state of US and UK network devices, coupled with a Russian government campaign to exploit these devices, threatens our respective safety, security, and economic well-being," the technical alert said.
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