MSFT ▲ +2.4% - Microsoft Corporation $MSFT Microsoft CEO Satya Nadella said companies should treat powerful AI models as potential internal threats and assume models may be compromised, urging built-in "emergency brake" mechanisms so authorized personnel can pause or shut down autonomous agents during task execution. He advised against relying on a single model for critical decisions, called for immutable logs of agent behavior, independent audits of systems, and mandatory disclosure of major failures or security vulnerabilities including causes and details to help others strengthen defenses. 10-OCT-2026 03:00 PM ET