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: Provided are methods, systems and devices for real time management of a communication network account. A system according to a preferred embodiment includes: an activity monitoring unit installed in or connected to a communication device associated with the account, the unit configured to monitor data activity of the communication device and to report on the data activity; and an activity monitoring server utility configured to receive reports on the data activity from the unit, rate the data activity, and update at least one allowance of the account based on a result of the rating. Permitted activity for the account is changed if an allowance of the account reaches a predetermined restriction level.

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.