A computer implemented method for providing feedback to a security system, the security system adapted to provide a security service, wherein the security system comprises: - a first mobile computing device having a graphical user interface (GUI) adapted to be handled by a first user; - a second mobile computing device having a GUI adapted to be handled by a second user, and - a server connected to the first and the second mobile computing device over a network, wherein the method comprises the steps of: - presenting, at the GUI of the first mobile computing device, a request for the first user to provide a rating relating to the security service; - presenting, at the GUI of the second mobile computing device, a request for the second user to provide a rating relating to the security service; - receiving, at the server, the ratings from the first and the second mobile computing device, and - determining, at the server, a collaborative rating of the security service based on the rating provided by the first and the second user. wherein: - the security service comprises a collection of services and the step of determining the collaborative rating comprises determining a set of collaborative rating for at least a portion of the collection of services, - the GUI presented at the first and the second mobile computing device is adapted for presenting requests for ratings relating to at least a portion of the collection of services, characterised in that - the GUI presented at the first and the second mobile computing device is automatically adapted based on the specific category for the security service to be rated, and - the GUI is depending on a category of the user providing the rating. - a first mobile computing device having a graphical user interface (GUI) adapted to be handled by a first user; - a second mobile computing device having a GUI adapted to be handled by a second user, and - a server connected to the first and the second mobile computing device over a network, - presenting, at the GUI of the first mobile computing device, a request for the first user to provide a rating relating to the security service; - presenting, at the GUI of the second mobile computing device, a request for the second user to provide a rating relating to the security service; - receiving, at the server, the ratings from the first and the second mobile computing device, and - determining, at the server, a collaborative rating of the security service based on the rating provided by the first and the second user. - the security service comprises a collection of services and the step of determining the collaborative rating comprises determining a set of collaborative rating for at least a portion of the collection of services, - the GUI presented at the first and the second mobile computing device is adapted for presenting requests for ratings relating to at least a portion of the collection of services, characterised in that - the GUI presented at the first and the second mobile computing device is automatically adapted based on the specific category for the security service to be rated, and - the GUI is depending on a category of the user providing the rating. <EOS>