https://www.bleepingcomputer.com/news/security/nation-state-group-hacked-500-000-routers-to-prepare-a-cyber-attack-on-ukraine/

Security researchers from Cisco said today that they've detected a giant botnet of hacked routers that appears to be preparing for a cyber-attack on Ukraine.

Researchers say the botnet has been created by infecting home routers with a new malware strain named VPNFilter.