American and British crime fighters have launched another round of investigations into Russian router attacks with a warning that Moscow-backed hackers are trying to subvert the world’s network devices. The US Department of Homeland Security (DHS), the Federal Bureau of Investigation (FBI), and the United Kingdom’s National Cyber Security Centre (NCSC) on Monday issued a joint Technical Alert describing a global assault on routers, switches, firewalls, and network intrusion detection hardware by Russian state-sponsored cyber actors. This is not quite the same thing as last month’s warning against cyber-attacks on the West’s energy utilities and other critical infrastructure, or other…