A cellular mobile device comprising: a transmitter and receiver to send and receive cellular communications in the form of radio frequency signals; a microprocessor; an operating system configured to execute on the microprocessor to provide an operating environment of application software; and a multi-service network client registered with the operating system as a single application and configured to be deployed from a single downloadable distribution package, wherein the multi-service network client comprises: a virtual private network, "VPN", handler to establish a VPN connection with a remote VPN security device, wherein the VPN handler is configured to encrypt outbound network packets and to decrypt inbound network packets to securely tunnel the network packets between the cellular mobile device and the remote VPN security device; a security manager operable to provide anti-virus and spyware detection functions, and to receive the decrypted inbound network packets from the VPN handler and to apply at least one security service to the decrypted network packets, wherein the at least one security service is selected from the anti-virus and spyware detection functions; wherein the VPN handler is further configured to test the anti-virus and spyware detection functions against a policy received from the remote VPN security device before establishing the VPN connection; and a VPN control application configured to provide a unified user interface that allows a user to configure both the VPN handler and anti-virus settings and personal firewall settings of the security manager. a transmitter and receiver to send and receive cellular communications in the form of radio frequency signals; a microprocessor; an operating system configured to execute on the microprocessor to provide an operating environment of application software; and a multi-service network client registered with the operating system as a single application and configured to be deployed from a single downloadable distribution package, wherein the multi-service network client comprises: a virtual private network, "VPN", handler to establish a VPN connection with a remote VPN security device, wherein the VPN handler is configured to encrypt outbound network packets and to decrypt inbound network packets to securely tunnel the network packets between the cellular mobile device and the remote VPN security device; a security manager operable to provide anti-virus and spyware detection functions, and to receive the decrypted inbound network packets from the VPN handler and to apply at least one security service to the decrypted network packets, wherein the at least one security service is selected from the anti-virus and spyware detection functions; wherein the VPN handler is further configured to test the anti-virus and spyware detection functions against a policy received from the remote VPN security device before establishing the VPN connection; and a VPN control application configured to provide a unified user interface that allows a user to configure both the VPN handler and anti-virus settings and personal firewall settings of the security manager. a virtual private network, "VPN", handler to establish a VPN connection with a remote VPN security device, wherein the VPN handler is configured to encrypt outbound network packets and to decrypt inbound network packets to securely tunnel the network packets between the cellular mobile device and the remote VPN security device; a security manager operable to provide anti-virus and spyware detection functions, and to receive the decrypted inbound network packets from the VPN handler and to apply at least one security service to the decrypted network packets, wherein the at least one security service is selected from the anti-virus and spyware detection functions; wherein the VPN handler is further configured to test the anti-virus and spyware detection functions against a policy received from the remote VPN security device before establishing the VPN connection; and a VPN control application configured to provide a unified user interface that allows a user to configure both the VPN handler and anti-virus settings and personal firewall settings of the security manager.