The volume and complexity of attacks continued to grow in the first quarter of 2020, according to Link11.
There has been an increasing number of high-volume attacks in Q1 2020, with 51 attacks over 50 Gbps. The average bandwidth of attacks also rose, reaching 5,0 Gbps versus 4,3 Gbps in the same quarter in 2019.
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Some of the key findings:
Maximum bandwidth nearly doubles: In Q1 2020, the maximum bandwidth nearly doubled in comparison to the previous year; the biggest attack stopped was 406 Gbps. In Q1 2019 the maximum bandwidth peaked at 224 Gbps.
Complex multi-vector attacks rising: The share of multi-vector attacks rose to 64% in Q1 2020 up from 47% in Q1 2019. 66% of all multi-vector attacks combined 2 – 3 vectors. More importantly, there were 19 attacks that used 10 or more different DDoS vectors, compared to no reported attacks of this scale in 2019.
Most frequently misused DDoS vectors: The most frequently used DDoS vectors in Q1 2020 were DNS Reflection, CLDAP, NTP and WS-Discovery
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