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AWS Shield Advanced is embracing the AWS WAF Anti-DDoS managed rule group: What changes and how to prepare

ID: a43b97b6-fd3e-56ab-ae7e-a0df2509faf5

STIX ID: report--a43b97b6-fd3e-56ab-ae7e-a0df2509faf5

Feed Name: AWS Security Blog

Date Published: 2026-07-27

Date Updated: 2026-07-28

Author: Eitav Arditti

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This AWS guidance describes the Anti-DDoS managed rule group for AWS WAF — its capabilities (challenge/block/count, labeling, reduced WCU consumption), phased rollout and evaluation windows (Count-mode deployment Jul 27–Aug 7, 2026; free evaluation Jul 27–Sep 30, 2026; auto-upgrade Oct 1, 2026; guided migration through Dec 31, 2026; and Shield Advanced L7 mitigation sunset Jan 1, 2027), CloudWatch metrics and labels for detection and mitigation visibility, and operational steps for IaC and Firewall Manager integration to ensure seamless migration without protection gaps.

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