https://www.cnet.com/news/us-takes-aim-at-russian-hackers-who-infected-over-500000-routers/

More than half a million routers and network devices in 54 countries have been infected with sophisticated malware, researchers from Cisco's Talos Intelligence Group warn.

The malware, which the security researchers are calling VPNFilter, contains a killswitch for routers, can steal logins and passwords and can monitor industrial control systems.