Tag: backend failure

Cloudflare Outage Takes Down Huge Chunk of Internet on November 18, 2025

Cloudflare Outage Takes Down Huge Chunk of Internet on November 18, 2025

On November 18, 2025, a Cloudflare backend failure caused a global outage affecting X, OpenAI, and Anthropic, with Cisco ThousandEyes confirming HTTP 5XX errors. Services were restored after hours, but the root cause remains undisclosed.