Hyper-volumetric DDoS attacks skyrocket: Cloudflare’s 2025 Q2 DDoS threat report
Jul 15, 2025Omer Yoachimik, Jorge Pacheco
Summary
This post details the significant increase in hyper-volumetric DDoS attacks in Q2 2025, with Cloudflare blocking over 6,500 such attacks, averaging 71 per day. It highlights the record-breaking scale of these attacks, reaching 7.3 Tbps and 4.8 billion packets per second. The report also notes a year-over-year increase in overall DDoS attacks and a rise in Ransom DDoS attacks, while detailing shifts in the top attacked locations, industries, and sources of these attacks, including specific Autonomous System Numbers (ASNs) involved in HTTP DDoS attacks.
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