Mirai botnet is spiking in growth while changing up its tactics, techniques and procedures so far in 2019, to target more and more enterprise-level hardware. IBM X-Force found that more than 80 percent of all observed botnet activity this year has targeted the media/information services and insurance industries. The move to having an enterprise focus is also concerning given that IoT devices connected to cloud architecture could allow Mirai adversaries to gain access to cloud servers. The install base of connected devices is expected to reach more than 31 billion devices by 2020.
Source: https://threatpost.com/mirai-botnet-sees-big-2019-growth-shifts-focus-to-enterprises/146547/