Cloudflare and Microsoft Azure Active Directory (Azure AD B2C) have partnered to provide an integration specifically for web applications using Azure AD B2C. This partnership allows customers to protect their B2C applications with Cloudflare's Web Application Firewall (WAF) on any custom domain. The integration enhances security by combining the capabilities of both Cloudflare WAF and Azure AD B2C native Identity Protection features, providing a defense-in-depth approach against cyberattacks. Instructions on how to set up the integration are provided on the Azure website. This integration benefits B2C businesses looking for secure customer authentication methods.