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The Cloudflare Outage May Be a Security Roadmap

ID: 78733b8e-8fa6-5db9-86d5-e9cfd50ee4e2

STIX ID: report--78733b8e-8fa6-5db9-86d5-e9cfd50ee4e2

Feed Name: Krebs on Security

Threat Score
25/100

Date Published: 2025-11-19

Date Updated: 2026-04-19

Author: BrianKrebs

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An internal Cloudflare outage on Nov. 18 caused many sites to lose edge WAF, bot protection, and DNS services for several hours; while Cloudflare says the root cause was an internal database permission change (not a cyberattack), defenders are urged to review WAF logs, DNS/routing changes, and emergency workarounds because attackers may have observed and exploited the temporary loss of protections.

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