A massive distributed denial-of-service attack has crippled a large part of the US Internet for hours on Friday. The attack targeted at DNS provider Dyn has rendered extremely popular Internet services such as Netflix, Netflix, Github and Spotify unreachable for customers in the United States. The outage seems to have been caused by a botnet of compromised smart things that had been instructed to perform repeated requests on the Dyn infrastructure. This bot can now be used by anyone to target smart things and harness their power for coordinated DDoS attacks.”]
Source: https://www.bitdefender.com/blog/hotforsecurity/mirai-iot-security-alert/