NSFOCUS Cloud DDoS Protection Service (Cloud DPS) Detected and Mitigated an 800G+ DDoS Attack towards a Critical Infrastructure Operator

Incident Summary On October 21, 2025, NSFOCUS Cloud DDoS Protection Service (Cloud DPS) detected and mitigated an 800G+ DDoS attack towards a critical infrastructure operator. The target network sustained a multi-vector volumetric DDoS attack peaking at 843.4 Gbps and 73.6 Mpps. The assault combined UDP-based floods (dominant) with amplification and reflection techniques. NSFOCUS Cloud DPS…The post NSFOCUS Cloud DDoS Protection Service (Cloud DPS) Detected and Mitigated an 800G+ DDoS Attack towards a Critical Infrastructure Operator appeared first on NSFOCUS, Inc., a global network and cyber security leader, protects enterprises and carriers from advanced cyber attacks..