Systems and methods regarding targeted dissemination

An electronic communication system for electronically controlling transmission of confidential electronic data among a plurality of disparate electronic trading devices over an electronic communications network, the computer system comprising:

• a communication and matching server computer including a processor programmed according to software stored in a tangible computer readable medium, the processor coupled to an electronic communications interface in electronic communications with an electronic communications network, the processor configured to:
• electronically receive, over the electronic communications network via the communications interface, a first electronic communications message from a first electronic trading devices, the first electronic communications message comprising a communications profile associated with said first electronic trading device;
• electronically receive, over the electronic communications network via the communications interface, a second electronic communications message from the first electronic trading device comprising confidential data relating to a participant associated with said first electronic trading device;
• identifying at least one second electronic trading device that meets the requirements of said received communications profile;
• and,
• electronically transmitting, over the electronic communications network via the communications interface, a third electronic communications message to the at least one second electronic trading device in said electronic communications network, a further electronic message containing data from the third electronic communications message comprising a portion of the confidential electronic data;
• wherein the processor is further configured to prevent transmission of any of the confidential electronic data to any second electronic trading device that does not meet said communications profile.