Global average costs of DNS attacks have surged 57% over 2017 to $715,000 in 2018. In the past 12 months, organizations faced an average of seven DNS attacks. Some victims ended up paying more than $5 million in associated costs. One in five organizations suffered business losses to DNS attacks, according to EfficientIP. 40% of cloud-based application downtime is caused by attacks aimed at DNS servers and service, survey shows. Topping the list for 2018 is DNS-based malware followed by phishing, DNS tunneling, domain lock-up, and DNS DDoS attacks.”]
Source: https://www.darkreading.com/attacks-breaches/frequency-costs-of-dns-based-attacks-soar