DDoS attacks would not be as widespread and successful as they are without the help of our many connected devices. The FBI asked everyone, absolutely everyone with a home router to reboot it in order to try and weaken a Russian botnet by setting the malware behind it back a step. The botnet was built by the allegedly state-sponsored Russian hacking group Fancy Bear, famed for a 2016 breach of the Democratic National Committee. Connected devices of all kinds have been recruited into botnets of staggering sizes routers, DVRs, cameras, wearables, household appliances if it has connectivity it can be infected.”]
Source: https://gbhackers.com/router-based-deadly-ddos-attacks/