Microsoft Azure Active Directory B2C, commonly referred to as Azure AD B2C, is a cloud-based identity and access management service provided by Microsoft Azure. It is designed to enable organizations to add identity authentication, authorization, and user management capabilities to their web and mobile applications without the need to build these services from scratch. Here are some key features and use cases of Azure AD B2C:

1. Identity Authentication and Authorization:

• Azure AD B2C allows you to authenticate users with various identity providers, including social identity providers like Facebook and Google, or using enterprise identity systems like Azure AD, Active Directory, or custom identity providers.
• You can define custom policies to control user authentication and authorization workflows, including password reset and multi-factor authentication (MFA) options.

2. User Management:

• It provides user management capabilities, allowing users to sign up, sign in, profile editing, and account recovery functionalities.
• You can customize and brand the user interface to match the look and feel of your applications.

3. Scalability and Availability:

• Azure AD B2C is built on the Azure cloud platform, ensuring scalability, high availability, and reliability for your identity services.

4. Identity Federation:

• It supports identity federation, enabling single sign-on (SSO) across multiple applications and services, both within and outside your organization.

5. Customization and Branding:

• You can customize the user interface to create a seamless user experience for your applications. This includes custom HTML, CSS, and JavaScript to match your branding.

6. Analytics and Reporting:

• Azure AD B2C provides insights into user sign-ins, sign-ups, and other identity-related activities through analytics and reporting features.

7. Multilingual Support:

• It supports multiple languages, making it suitable for applications that serve a global user base.

8. REST API and SDKs:

• Azure AD B2C offers a REST API and SDKs for various platforms, simplifying the integration of identity services into your applications.

Use Cases:

• Customer-Facing Applications: Azure AD B2C is commonly used in customer-facing web and mobile applications to provide a secure and seamless authentication and authorization experience for external users, such as customers and partners.

• Self-Service Portals: Organizations use Azure AD B2C to build self-service portals where users can create accounts, reset passwords, and manage their profiles.

• Multi-Tenant Applications: For applications that serve multiple tenants or organizations, Azure AD B2C enables identity segregation and customization per tenant.

• eCommerce and Retail: Azure AD B2C can be employed to secure online stores and retail applications, providing secure access for customers.