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...

DDoS attacks – more than just disruption?

Track:  General Security Author: Vann Abernethy, Field CTO, NSFOCUS Distributed Denial-of-Service (DDoS) attacks have been around for decades and have been increasing in popularity due to the relative ease in carrying one out.  Traditionally, the purpose of these attacks has been to make a site or service unavailable to its intended...

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