In the second quarter of 2025, Cloudflare mitigated 7.3 million DDoS attacks, down from 20.5 million in the previous quarter. Hyper-volumetric DDoS attacks surged, with notable incidents peaking at 7.3 Tbps. Layer 3/Layer 4 DDoS attacks saw an 81% decrease, while HTTP DDoS attacks increased by 9%. More than 70% of these HTTP DDoS attacks originated from known botnets. The telecommunications sector was predominantly targeted, with China and Brazil leading as the most attacked regions based on customer billing countries.
In Q2 2025, Cloudflare mitigated 7.3 million DDoS attacks, significantly down from 20.5 million in Q1 2025, marking a shift in attack trends.
Hyper-volumetric DDoS attacks peaked at 7.3 Tbps with 4.8 billion packets processed in 45 seconds, showing an evolving strategy among attackers.
Layer 3/Layer 4 DDoS attacks fell by 81%, while HTTP DDoS attacks grew by 9%, with over 70% stemming from known botnets.
Telecommunication providers were the most targeted, followed by IT services and gaming sectors, with China and Brazil as the leading attack sources.
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