Patent ID: 7716291

Claim:
A secure messaging system comprising: a personal record comprising a personal profile about a subject and a message filtering policy determined by the subject; an anonymity service, the anonymity service being an intermediary between the subject and a message sponsor, the message sponsor desiring to send a message to the subject based on the personal record; a message deposit sent to the anonymity service by the message sponsor wherein the message deposit comprises the message, a message targeting specification, and a message profile; a database maintained by the anonymity service, the personal record being stored in the database in an encrypted state, the anonymity service having an access to the personal record only in the encrypted state; a resident application residing on a client device under control of the subject, the resident application managing access to the personal record in an unencrypted state by use of a security element including an encrypted private key; a quarantine memory, the quarantine memory being a secure area of system memory on the client device; and a session agent configured to perform a database operation on the personal record in the unencrypted state in the quarantine memory, wherein the resident application, the quarantine memory and the session agent all reside on the client device under control of the subject, and wherein the resident application, the quarantine memory and the session agent collectively secure the personal record and the private key in an unencrypted state against access by the anonymity service.