Your AI Vendor Became Critical Infrastructure Before The Contract Did
On June 11, 2026, Microsoft 365 Copilot went down for seven hours. The cause was a misconfigured authentication deployment that cascaded through Microsoft Graph, taking Copilot Chat and the Office portal with it. It was the second major Copilot disruption in eleven days. Microsoft 365 posted 99.526% uptime in Q1 2026 — the lowest quarterly…