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31.4 Tbps: A World Record DDoS

Cloudflare’s Q4 2025 DDoS Threat Report documents a record‑setting 31.4 terabits‑per‑second attack, the largest ever mitigated by the firm. The assault, lasting only 35 seconds, underscores the accelerating scale of distributed denial‑of‑service campaigns. The report shows DDoS volume exploding from 3.8 Tbps in 2004 to 31.4 Tbps in late 2025, a 121 % rise in attack count and a doubling to 47.1 million incidents year‑to‑date. Network‑layer hyper‑volumetric attacks surged 700 %, with hourly mitigation averaging 5,376 attacks—3,900 network‑based and 1,451 HTTP. Telecoms topped the most‑targeted sectors, followed by IT services, gambling and gaming, while China, Hong Kong and Germany ranked as the top victim locations. Bangladesh, Ecuador and Indonesia were the leading source countries, and infected Android TVs contributed to the hyper‑volumetric HTTP flood. For enterprises, the trend signals that traditional perimeter defenses are insufficient; continuous, cloud‑native mitigation and real‑time traffic scrubbing become essential to protect revenue‑critical services against ever‑larger, faster attacks.