Security firm Talos along with other cybersecurity firms and law enforcement agencies have uncovered a huge botnet dubbed VPNFilter, composed of more than 500,000 compromised routers and network-attached storage (NAS) devices. The experts believe the nation-state malware was developed by Russia and the associated malware appears to be very sophisticated. Many infected devices have been discovered in Ukraine and their number in the country continues to increase. The attack could be launched by threat actors during the Ukrainian celebration of the Constitution Day, last year NotPetya wiper attack was launched on the same period.”]
Source: https://securityaffairs.co/wordpress/72829/malware/vpnfilter-botnet.html