How is user identity verified in Zscaler's security model?

User identity in Zscaler's security model is verified through integration with identity providers and dual authentication methods. This approach enhances security by ensuring that the identity of a user is established through a combination of factors, typically involving something they know (like a password) and something they have (such as a mobile device for receiving authentication codes).

By integrating with established identity providers, Zscaler can leverage existing user credentials and authentication protocols, making the process more seamless. This sophisticated verification method helps protect against unauthorized access while maintaining a user-friendly experience. The use of dual authentication methods adds an additional layer of security beyond just basic credentials, which is essential in today's cyber environment where threats are increasingly sophisticated.

In contrast, relying solely on email verification lacks the security needed to effectively validate user identity, as email accounts can be compromised. Physical identification, while secure, is impractical in a digital landscape where users access services remotely. Likewise, relying only on IP address verification is insufficient, as IP addresses can be spoofed or shared, failing to confirm the true identity of the user. This highlights the importance of a multi-faceted approach to user identity verification, reinforcing why the correct answer emphasizes integration with identity providers and dual authentication methods.