GoKawiilCloudflare says it mitigated more than 800 network-layer distributed denial-of-service (DDoS) attacks exceeding 1 Tbps in the second quarter of the year.
Compared with the first quarter, when the company recorded just 130 attacks above 1 Tbps, the latest figure represents a more than fivefold increase.
Cloudflare is a major web infrastructure and security firm that provides CDN, DNS, reverse-proxy, and DDoS protection services to customers worldwide, protecting roughly 20% of the web.
The company's services sit between DDoS botnets and their intended targets, allowing it to observe and absorb attacks at enormous scale.
Recently, the company mitigated a record-breaking attack that peaked at 31.4 Tbps and 200 million requests per second, launched by the Aisuru/Kimwolf botnet.
In a new report shared with BleepingComputer and presented earlier today at the Black Hat security conference, Cloudflare says that in the first half of the year it mitigated 23.2 million network-layer DDoS attacks and 29.64 trillion malicious HTTP requests.
The most significant increase refers to extremely large network-layer attacks exceeding 1 Tbps, which rose 519% quarter over quarter.
However, the company observed an overall jump in less severe attacks, too. Those between 500 Gbps and 1 Tbps, increased by 143%, while those between 100 and 500 Gbps rose 105%.
Attack size shares in Q1 and Q2 2026
Source: Cloudflare
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