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Cloudflare Mitigates Record Breaking 3.8 Tbps DDoS Attack

ID: 456a7047-3dcd-5e9a-9b94-45cb0063113c

STIX ID: report--456a7047-3dcd-5e9a-9b94-45cb0063113c

Feed Name: HackRead

Threat Score
72/100

Date Published: 2024-10-04

Date Updated: 2026-04-22

Author: Deeba Ahmed

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*Executive Summary:* Cloudflare successfully mitigated an unprecedented, month-long DDoS campaign that peaked at 3.8 Tbps and 2.14 billion PPS, originating from a large botnet of compromised ASUS/MikroTik routers, DVRs, and webservers (likely exploiting a critical ASUS CVE) and using UDP-based L3/4 volumetric techniques; Cloudflare's global network and traffic filtering prevented major disruption to customers across finance, internet, and telecommunications industries.

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