How one rent-a-botnet army of cameras, DVRs caused Internet chaos

Attacks that took down Dyn appear to have been “rented” from multiple botnets.

Welcome to the Internet of Evil Things. The attack that disrupted much of the Internet on October 21 is still being teased apart by investigators, but evidence thus far points to multiple “botnets” of Internet-connected gadgets being responsible for blocking access to the Domain Name Service (DNS) infrastructure at DNS provider Dyn. Most of these botnets—coordinated armies of compromised devices that sent malicious network traffic to their targets—were controlled by Mirai, a self-spreading malware for Internet of Things (IoT) devices.

Source: http://arstechnica.com/information-technology/2016/10/inside-the-machine-uprising-how-cameras-dvrs-took-down-parts-of-the-internet/