Abstract: A system for transmitting secure data between a sender's terminal equipment and a recipient's terminal equipment over a network, and a corresponding method of use: the system comprising a sender's encryption server and a recipient's encryption server; each of the encryption servers comprise a data receiver, a decryptor, an encryptor and a transmitter; the sender's encryption server being data connectable to the sender's terminal equipment over a first link of the network and to the recipient's encryption server over a second link of the network; the receiver's terminal equipment being further data connectable to the recipient's terminal equipment over a third link of the network.

Abstract: There is provided a computer system including a first operating process operating in a non-modified operating environment and having at least one user operating command which is normally employed only in a given mode in the first operating process, and at least one second operating process which does not include encryption, the improvement comprising: a trigger for enabling a user operating the first operating process to initiate the second operating process, the trigger comprising said at least one operating command used in a mode other than said given mode.

Abstract: A system and method for selectable encryption of documents employing a document generator and a user-controlled document encryptor operative to encrypt user-selector portions of a document generated on document generator.