System and method for pushing information from a host system to a mobile data communication device

A secure electronic message redirection system, comprising:

• a host system having a redirector component, wherein the redirector component is configured to sense a trigger event at the host system and in response to the trigger event to redirect electronic messages from the host system to a mobile data communication device;
• a first network coupled to the host system;
• a wireless data network coupled to the mobile data communication device;
• a wireless gateway coupled between the first network and the wireless data network for transmitting messages between the first network and the wireless network;
• and
• a secure link formed between the host system and the mobile data communication device through the wireless gateway, the secure link formed using an encryption module operating at the host system that encrypts the electronic messages prior to redirection to the mobile data communication device, and a decryption module operating at the mobile data communication device that decrypts the electronic messages that are received from the host system, wherein the redirected messages remain encrypted while being transmitted over the first network, the wireless network, and through the wireless gateway.

A secure mobile electronic communication system, comprising:

• an electronic communication subsystem operating at a host system, the electronic communication subsystem having a redirector component for redirecting messages from the host system to a mobile data communication device;
• a wireless communication network;
• a wireless gateway system coupled between the host system and the wireless communication network;
• wherein the electronic communication subsystem and the mobile data communication device are configured to establish a secure link over the wireless communication network and through the wireless gateway system using encryption and decryption modules operating at both the host system and the mobile data communication device.

A method of securely exchanging messages between a host system and a wireless mobile data communication device via a wireless network, comprising the steps of:

• providing a wireless gateway for coupling the host system and the wireless mobile data communication device;
• establishing an end-to-end, bi-directional secure link between the host system and the wireless mobile data communication device through the wireless gateway;
• and
• exchanging messages between the host system and the wireless mobile data communication device via the secure link.

A method of securely exchanging messages between a host system and a wireless mobile data communication device via a wireless network, comprising the steps of:

• providing a wireless redirector component for coupling the host system and the wireless mobile data communication device;
• establishing an end-to-end, bi-directional secure link between the host system and the wireless mobile data communication device by:
• and,
• providing a first encryption module at the host system for encrypting messages, and a corresponding first decryption module at the mobile data communication device for decrypting the encrypted messages, wherein the messages remain in a first encrypted state while being transmitted through every landline and wireless network until received at the mobile data communication device;
• whereby messages are exchanged between the host system and the wireless mobile data communication device via the secure link.

A network host for redirecting messages from a plurality of message accounts to a plurality of mobile data communication devices, comprising:

• a message server operating at the network host for receiving messages and for storing the received messages in the plurality of message accounts;
• and
• a redirector application operating at the network host for detecting the received messages and for redirecting the received messages from the message accounts to the plurality of mobile data communication devices via a plurality of secure links established between the network host and the plurality of mobile data communication devices;
• wherein the secure links are established using an encryption module operating at the network host and a corresponding decryption module operating at the mobile data communication devices, the network host including an encryption key memory store for storing a plurality of unique encryption keys that are used to establish a plurality of unique secure links between the network host and each of the mobile data communication devices.

A network host system, comprising:

• a message server for receiving messages and for storing the received messages in a plurality of user accounts;
• an encryption key database for storing a plurality of encryption keys, wherein each encryption key is associated with a particular user account;
• and
• a redirector application for establishing a plurality of secure links between the network host system and a plurality of mobile data communication devices using the encryption keys, and for redirecting the received messages from the plurality of user accounts to the plurality of mobile data communication devices over the secure links.

A method of secure access to a user's data store located at their office computer system via the user's wireless mobile data communication device, comprising the steps of:

• providing a wireless gateway for coupling the office computer system and the wireless mobile data communication device;
• establishing a secure link between the wireless mobile data communication device and the office computer system;
• transmitting a command from the wireless mobile data communication device to the office computer system to access the user's data store;
• and
• retrieving information from the user's data store and securely transmitting the information to the wireless mobile data communication device over the secure link.

A method of secure access to a remote database, comprising the steps of:

• providing an office computer system and a wireless mobile data communication device;
• providing a wireless gateway for coupling the office computer system and the wireless mobile data communication device;
• establishing a secure link between the wireless mobile data communication device and the office computer system;
• transmitting a command from the wireless mobile data communication device to the office computer system to search for and retrieve information stored at a remote database;
• the office computer system searching the remote database and retrieving information from the remote database;
• and
• transmitting the retrieved information to the wireless mobile data communication device over the secure link.

A method for a user of a mobile communication device to securely access information stored at his office computer system, comprising the steps of:

• transmitting a command from the mobile communication device, wherein a secure communication link is provided between the wireless mobile data communication device and the office computer system by ensuring the command remains in an encrypted state from the wireless mobile data communication device to the office computer system;
• receiving the encrypted command at the office computer system;
• decrypting the command;
• initiating a search of at least one data store based on the command;
• and,
• transmitting at least one result from the search to the mobile communication device, wherein a secure communication link is provided between the office computer system and the wireless mobile data communication device by ensuring the least one result remains in an encrypted state from the office computer system to wireless mobile data communication device.

A wireless mobile communications device associated with a first computer system identified by a first electronic address, wherein the first computer system includes a wireless redirector component for redirecting messages from the first computer system to the wireless mobile communications device, comprising:

• a secure link module for establishing a secure link between the wireless mobile communications device and the first computer;
• a receiver for receiving a redirected message from the first computer system, wherein the redirected message is received via the secure link;
• a memory for storing the redirected message;
• a message generator for generating a reply message to the redirected message at the mobile device using the first electronic address of the first computer system as an originating address of the reply message;
• and
• a transmitter for transmitting the reply message to the first computer system via the secure link.