Abstract: The invention refers to a method for authorizing access to a third party application, called client (2), to protected resources owned by a user (1) and hosted in a server (3). The method comprising: the client being used by the user asking for a temporary token to the server; the server sending a first SMS to the user, said first SMS providing means to authenticate the user; authenticating the user by the means provided in previous two steps; the user authorizing the client; the server sending a second SMS to the user providing some information needed to obtain an access token; the client getting the information of the previous step from the user and the access token; the client accessing protected resources using the access token.

Abstract: The invention refers to a method for authorizing access to a third party application, called client (2), to protected resources owned by a user (1) and hosted in a server (3). The method comprising: the client being used by the user asking for a temporary token to the server; the server sending a first SMS to the user, said first SMS providing means to authenticate the user; authenticating the user by the means provided in previous two steps; the user authorizing the client; the server sending a second SMS to the user providing some information needed to obtain an access token; the client getting the information of the previous step from the user and the access token; the client accessing protected resources using the access token.

Abstract: The method comprises said resource being an item used within system databases to group or nest related information stored in said system databases. Said query comprises discovering said resource and obtaining at least part of said related information wherein said discovering comprises checking the existence of said resource. The method further comprises performing said query under at least a specific criterion or a set of conditions.