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Threat Intelligence

Record 31.4 Tbps DDoS Flood Shatters 2025 Benchmarks, Demands Robust Defense

In Q4 2025 Cloudflare observed a single volumetric DDoS assault that peaked at 31.4 terabits per second, overwhelming the victim’s upstream links and saturating multiple ISP peering points. The attack leveraged a botnet of compromised IoT devices and exploited amplification vectors across DNS and Memcached services, sustaining the peak for over eight minutes before being scrapped by Cloudflare’s tier‑1 scrubbing capacity.

The event exposed the limits of traditional on‑premise mitigation and highlighted the necessity of elastic, globally distributed DDoS protection. Defenders must reassess bandwidth headroom, ensure rapid traffic diversion to scrubbing clouds, and integrate automated attack‑signature updates. Failure to adopt scalable defenses could leave critical services exposed to similar record‑breaking floods that can cripple availability and erode customer trust.

Categories: Threat Intelligence, AI Security & Threats, Malware & Ransomware

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