Anthropic’s Claude reports widespread outage
mediumincidentLLM-Specific
security
Source: TechCrunchMarch 2, 2026
Summary
Anthropic's Claude service experienced a widespread outage on Monday morning, affecting Claude.ai and Claude Code (though the Claude API remained functional), with most users encountering errors during login. The company identified the issue was related to login and logout systems and stated it was implementing a fix, though no root cause or technical details were disclosed.
Classification
Attack SophisticationModerate
Impact (CIA+S)
availability
AI Component TargetedInference
Affected Vendors
Anthropic
Related Issues
Original source: https://techcrunch.com/2026/03/02/anthropics-claude-reports-widespread-outage/
First tracked: March 2, 2026 at 11:00 AM
Classified by LLM (prompt v3) · confidence: 85%