Claude AI Suffers Global Outage: Elevated Errors Disrupt Web Interface and APIs

On March 2, 2026, Anthropic's Claude AI suffered a global outage beginning at 11:49 UTC that disrupted the web interface, login/logout authentication flows, multiple core API methods, and model routing (Claude Opus 4.6); engineers identified root causes and deployed fixes, restoring services by 15:25 UTC. The incident impacted organizations relying on Claude for threat intelligence and automated security workflows, and the report recommends resilient API integrations, local backup models, and exponential backoff to mitigate future disruptions.