On Friday, 21 October 2016, multiple waves of distributed denial of service (DDoS) attacks shut down major internet services across the United States and Europe. The attacking botnet army consisted mainly of printers, IP cameras, residential gateways, and baby monitors infected with Mirai malware. Mirai targets IoT devices, and though each individual IoT device was not very powerful, taken together these devices did significant damage. For many mainstream internet users, the need for strong IoT security became painfully obvious.
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