Abstract: Disclosed herein is a method performed by an apparatus. In the method, a payload information item is obtained that is to be communicated to at least one recipient. An encrypted payload information item is obtained by encrypting said payload information item such that it is decryptable by use of a first decryption key and a second decryption key. Further, a message containing said encrypted payload information item is sent or triggered to be sent to said recipient.

Abstract: A method is disclosed in which one or more pieces of first authentication information are obtained. The one or more pieces of first authentication information represent at least one piece of unique information associated with a user and/or an electronic device of the user. A trust level is determined based, at least in part, on the one or more pieces of first authentication information. The trust level value is indicative of a level of trust in the one or more pieces of first authentication information. An according apparatus, computer program, and system are also disclosed.