How does KDDI handle DDoS attacks targeting its network infrastructure?

KDDI employs a multi-layered defense strategy against DDoS attacks. This typically includes traffic filtering, rate limiting, and mitigation techniques deployed at various network points, such as edge routers and dedicated scrubbing centers. They also utilize traffic analysis and anomaly detection systems to identify and respond to suspicious traffic patterns, leveraging partnerships with security vendors and industry best practices for proactive defense.