Cloudflare DDoS Threat Report H1 2026: 1 Tbps attacks soar as DNS floods and geopolitical tensions drive a new wave
Cloudflare mitigated a surge of 1 Tbps attacks in the first half of 2026, with 935 network-layer DDoS attacks exceeding 1 Tbps, a 519% quarter-over-quarter increase. DNS-based attacks accounted for 34.3% of all network-layer activity, with DNS Floods dominating, increasing from 25.7% to 40.0% of network-layer attacks quarter-over-quarter. Most-attacked industries included Media, Production & Publishing, and Government, with Turkey rising to the #3 most-attacked country in Q2.
Key statistics from the report include 5,300 DDoS attacks per hour, 23.2 million mitigated network-layer attacks, and 29.64 trillion HTTP DDoS requests. Hyper-volumetric attacks saw a 6.8 surge, with 805 network-layer attacks exceeding 1 Tbps in Q2. Most of these attacks were short-lived, lasting under 10 minutes
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