Implement a traditional VPN solution to provide secure access to Microsoft 365 services for remote users. This option ensures secure access but may introduce scalability challenges and higher operational costs due to the need for VPN infrastructure maintenance.

Use Microsoft Entra Internet Access as a secure web gateway to provide secure access to Microsoft 365 services for all users, both on-premises and remote. This solution offers comprehensive security, scalability, and cost-efficiency by leveraging cloud-based technologies.

Deploy a cloud-based security solution that integrates with Microsoft 365 to provide advanced protection against threats and ensure secure access. While this option enhances security, it may not be the most cost-efficient or straightforward solution for all organizations.

Configure the organization's existing network infrastructure to allow direct access to Microsoft 365 services without any additional security measures. This option is cost-efficient but fails to meet the security requirements for accessing cloud services.