DDoS attack trends for 2021 Q2
Jul 20, 2021Vivek Ganti, Omer Yoachimik

Summary
This post details DDoS attack trends observed on Cloudflare's network during Q2 2021. It highlights a significant increase in HTTP DDoS attacks targeting government administration and consumer services, with China and the US being prominent sources and targets. Emerging threats include amplification attacks abusing QOTD and an increase in QUIC-based attacks. Network-layer DDoS attacks in the 10-100 Gbps range also saw an increase. The post provides detailed statistics on attack distribution by market industry, source country, target country, attack size (bit rate and packet rate), and duration, emphasizing the need for always-on, automated DDoS protection.
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