The Conference on Computers, Freedom and Privacy (CFP) is referenced in books on privacy such as The TransparentSociety and CodeAndOtherLawsOfCyberspace. Many well-known ScienceFiction authors, CypherPunks and managers got to know each other there.
Typical topics addressed at the conferences include:
The ElectronicFrontierFoundation is a major participant, as are corporations like ZeroKnowledgeSystems?.