What is the benefit of using IAM Conditions in GCP?

Using IAM Conditions in Google Cloud Platform (GCP) allows for the creation of more precise and detailed access control policies that are determined by specific conditions. This means that access can be granted or denied based on contextual factors such as the requester’s identity, the request time, or the resource that is being accessed.

By implementing these conditions, organizations can enhance their security posture, ensuring that only those users who meet specific criteria can access resources. For example, a policy could be set up to only allow access to certain resources during working hours or only from specified IP addresses. This allows for a fine-tuned distribution of permissions that aligns with the principle of least privilege, thereby reducing the risk of unauthorized access and potential security breaches.

The other options do not align with the functionality of IAM Conditions. Default access for all users would undermine the security model of GCP, while eliminating user authentication would pose significant security risks. Providing unrestricted access would also contradict the intent behind IAM and good security practices.