Google Cloud IAM Glitch Triggers Domino Effect, Disrupting Cloudflare and Anthropic
2025-06-13
A global Google Cloud IAM service outage at 10:50 AM PT on October 24th caused authentication failures across numerous GCP products. This impacted Cloudflare's Workers KV, leading to Access, WARP, and other Zero Trust service disruptions. Anthropic, a GCP customer, experienced file upload failures and increased error rates. The incident highlighted the interconnectedness of cloud services and the potential for cascading failures. Full service recovery took 7.5 hours.