Microsoft Defender for Endpoint is a cloud-based endpoint security solution offered by Microsoft. It provides advanced threat protection and endpoint detection and response capabilities for devices running on Windows, macOS, iOS, and Android operating systems. With Defender for Endpoint, security teams can proactively identify, investigate, and remediate security incidents across all endpoints in the organization. The solution uses artificial intelligence and machine learning to detect and respond to sophisticated attacks and zero-day vulnerabilities. It also includes features such as attack surface reduction, vulnerability management, and automated investigation and remediation. Defender for Endpoint integrates with other Microsoft security solutions, such as Azure Active Directory and Microsoft Cloud App Security, to provide a comprehensive security posture for organizations.