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Why Traditional Firewalls Fail Against Today’s High-Volume DDoS Attacks 

ID: b64f6c4c-c46c-5104-b71a-dcde2302be27

STIX ID: report--b64f6c4c-c46c-5104-b71a-dcde2302be27

Feed Name: Security Boulevard

Date Published: 2026-01-16

Date Updated: 2026-04-22

Author: Tim Ferguson

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This article explains that legacy perimeter firewalls are ill-suited to defend against today’s massive, multi-vector DDoS attacks due to state tracking limits, throughput bottlenecks, and weak Layer 7 visibility. It recommends a layered defense with upstream/cloud DDoS mitigation and CDNs, rate limiting, load balancing, regular attack simulations, and automated response plans with human oversight to maintain availability.

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