Microsoft Entra is a comprehensive identity and access management (IAM) solution designed to secure and streamline user authentication, authorization, and lifecycle management. It provides tools to manage identities, protect access to resources, and enable secure collaboration across environments. With Entra, organizations can enforce policies to ensure that the right users have appropriate access to applications and data, helping to prevent security risks. It also supports multi-factor authentication (MFA), conditional access, and integration with existing Microsoft 365 and Azure services.