Deploy a traditional VPN solution to provide secure access to cloud-based applications for all users, despite its higher operational costs and scalability challenges.

Implement a cloud access security broker (CASB) solution to offer visibility and control over cloud application usage, though it may not fully integrate with Microsoft's security policies.

Use Microsoft Entra Conditional Access policies to enforce security policies and ensure secure access to cloud-based applications, leveraging its seamless integration with Microsoft services and compliance features.

Configure the organization's existing network infrastructure to allow direct access to cloud-based applications without any additional security measures, ignoring compliance and security risks.