Microsoft Mitigates Record 5.72 Tbps DDoS Attack Driven by AISURU Botnet

Nov 18, 2025

Microsoft on Monday disclosed that it automatically detected and neutralized a distributed denial-of-service (DDoS) attack targeting a single endpoint in Australia that measured 5.72 terabits per second (Tbps) and nearly 3.64 billion packets per second (pps).
The tech giant said it was the largest DDoS attack ever observed in the cloud, and that it originated from a TurboMirai-class Internet of

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