Organizations of all types and sizes increasingly realize that mobile computing is critical to success. These organizations are giving their mobile users full access to the enterprise network, data, and applications through virtual private networks (VPNs.) Mobile users are also taking large amounts of sensitive corporate data on the road stored on their laptop hard drive, many of which hold up to 200 gigabytes. As a result, while mobile computing offers organizations many competitive advantages, it also entails significant security risks to corporate networks and sensitive corporate data. Indeed, the incidence of security breaches due to unauthorized access to the VPN and theft of laptop dev...