A monster distributed denial-of-service attack (DDoS) against KrebsOnSecurity.com knocked this site offline for nearly four days. The attack was executed through a network of hacked Internet of Things (IoT) devices. A new study that tries to measure the direct cost of that one attack for IoT device users whose machines were swept up in the assault found that it may have cost device owners a total of $323,973.75 in excess power and added bandwidth consumption.”]
Source: https://krebsonsecurity.com/2018/05/study-attack-on-krebsonsecurity-cost-iot-device-owners-323k/