Abstract: A method of conducting a communication over a communication network, the method comprising: —registering a user of a communication device as a member user MD of a securing entity VM, the securing entity VM authenticating personal data of the member user MD via a trusted third party entity TTP, —sorting the personal data of the member user according to categories comprising identifying data, non-identifying data and semi-identifying data, non-identifying data and semi-identifying data being correlated to identifying data by a sworn person of the trusted third party entity TTP, only at least one of non-identifying data and semi-identifying data being requestable by any client entity YMD, PAWS, PCWS, SOS during a communication and/or a transaction, —archiving identifying data in a trusted third party entity TTP, and —electronically storing at least a part of semi-identifying data in a trusted third party entity database TTPDB, and non-identifying data in a securing entity database VMDB.

Abstract: A method of conducting a communication over a communication network. It comprises registering a user as a member user of a securing entity, the securing entity authenticating personal data of the member user via a trusted third party entity; sorting the personal data of the member user according to categories comprising identifying, non-identifying and semi-identifying data, non-identifying and semi-identifying data being correlated to identifying data by a sworn person, only non-identifying and/or semi-identifying data being requestable by any client entity during a transaction and/or a communication; archiving identifying data in a trusted third party entity; and electronically storing at least a part of semi-identifying data in a trusted third party entity database, and non-identifying data in a securing entity database.