Companies with offices in multiple geographies can "ensure that browser-based access for external users is secure, well-managed and supports complete functionality without creating vulnerabilities1" by using a secure VPN solution. Secure VPN solutions, ensure all users and servers connected with VPN have secure and encrypted access to each other. In these environments, all traffic sent through the secure VPN connection is automatically encrypted, without requiring any changes in SharePoint or its underlying platform.
Secure VPN solutions allow network administrators to create a single comprehensive security solution for their clients, without requiring specific changes and configuration in SharePoint. Replication Package transfers that are sent over the secure VPN connection are automatically encrypted by the VPN solution.
1For more information, see How to Select an SSL VPN for Remote Access to Microsoft SharePoint Portal Server 2007 ( ).