Latest research from Neustar reveals across-the-board growth in attacks of all sizes. Small-scale DDoS attacks made up more than three quarters of all attacks the company mitigated on behalf of its customers in 2019. Largest threat of DDoS, at 587 gigabits per second (Gbps), was 31% larger than the largest attack of 2018. Maximum attack intensity observed in 2019 was 252% higher than that of the most intense attack seen in 2018.”]
Source: https://informationsecuritybuzz.com/news/ddos-attacks-increase-180-in-2019-compared-to-2018/