Distributed denial of service attacks that take advantage of misconfigured NTP servers were up 276 percent last quarter compared to the same time last year. NTP attacks accounted for more than 15 percent of all attacks in the second quarter of this year. In two-thirds of those attacks, the NTP vector was the only one used. The gaming industry continued to be the most targeted, accounting for 57 percent of DDoS attacks handled by Akamai. The median size of attacks has gone down by 36 percent from the previous quarter.”]
Source: https://www.csoonline.com/article/3118234/ntp-reflection-attacks-hit-record-high.html