Microsoft Defender for Cloud Apps is Microsoft’s Cloud Access Security Broker (CASB) that helps you discover, protect, and govern cloud applications across your environment. It integrates natively with Microsoft 365, Azure, and leading third‑party apps to deliver visibility into shadow IT, data protection with DLP, threat detection, and policy-based access controls. Leverage built-in app discovery, OAuth app governance, session controls with reverse proxy, and continuous risk assessment to reduce exposure. Defender for Cloud Apps connects to APIs for sanctioned services and monitors user activity to detect anomalies and mitigate cloud threats in real time. Gain unified insights through Microsoft Defender XDR and Microsoft Sentinel integrations to streamline investigation and response.