Abstract: A method, system and device are disclosed for monitoring and controlling data pushed to a client wireless communication device (WCD). A unit or device installed in or connected to the WCD utilizes filtering rules relating to pushed data for evaluating whether to drop the pushed data.

Abstract: Disclosed is a mobile unit that includes a dedicated cryptographic processor connected to a main processing unit of the mobile unit and configured to encrypt outgoing packets received from the main processing unit and destined for a remote entity, and configured to decrypt incoming packets transmitted by the remote entity and destined for the main processing unit. In one embodiment of the invention, the dedicated cryptographic processor also functions as a proxy server.

Abstract: Provided are method and system for applying a prepaid credit to use by a client in his communication activity as well as for managing a prepaying scheme for the client. A client's communication device, for example, wireless communication device of a cellular telephone system or a computer communicating over a computer network such as the Internet, is provided with an activity monitoring unit that holds the client's credit data and applies such credit to permit communication activity by the client through the use of the client's communication device.

Abstract: A method, system and device for monitoring activity of a client wireless communication device (WCD), communicating through a communication medium is provided. A unit or device installed is as fitted onto said device monitors and records said activity and transmits it automatically, in a client non-controlled fashion, to an activity monitoring server utility.