Azure Active Directory B2C (Azure AD B2C) is a cloud-based identity and access management service provided by Microsoft Azure. It is specifically designed for managing customer identities and enabling secure authentication and authorization in customer-facing applications, such as mobile apps, web apps, and single-page applications (SPAs). Azure AD B2C helps organizations deliver a seamless and personalized experience for their customers while maintaining security and compliance.

Key features and capabilities of Azure AD B2C include:

1. Identity Management:

   • Azure AD B2C allows you to create and manage customer identities at scale, including registration, profile management, password reset, and account recovery.

2. Customizable User Journeys:

   • You can define custom user journeys for sign-up, sign-in, profile editing, password reset, and other identity-related interactions. These journeys can be customized to match your application’s branding and requirements.

3. Multifactor Authentication (MFA):

   • Azure AD B2C supports MFA, allowing you to add an extra layer of security for customer authentication. Users can be prompted to verify their identity through methods such as SMS, email, or a mobile app.

4. Social Identity Providers:

   • You can enable customers to sign in using their existing social media accounts, such as Facebook, Google, Twitter, and LinkedIn. Azure AD B2C supports a wide range of social identity providers.

5. Custom Identity Providers:

   • In addition to social providers, you can integrate custom identity providers, such as corporate or third-party identity systems, using OpenID Connect and OAuth 2.0 protocols.

6. Custom Policies:

   • Azure AD B2C allows you to define custom policies to control the behavior of identity interactions. These policies can be used to implement complex identity requirements.

7. User Attributes and Claims:

   • You can collect and store custom user attributes and claims, enabling you to personalize user experiences and store additional customer data.

8. Secure Token Management:

   • Azure AD B2C issues tokens (e.g., ID tokens, access tokens) securely to authenticated users, allowing your applications to make secure and authorized API calls.

9. Integration with Azure AD:

   • Azure AD B2C can be integrated with Azure AD, enabling you to manage both customer and employee identities in a single identity platform if needed.

10. Analytics and Reporting:

    • The service provides analytics and reporting capabilities, allowing you to monitor and gain insights into user interactions and trends.

11. Compliance and Security:

    • Azure AD B2C is compliant with industry standards and regulations, and it offers robust security features to protect customer data and privacy.