The invention pertains to a method for providing an observer with data related to at least one user of a telecommunication or Internet services operator within a network, said method providing that said observer send a request to said operator to obtain data in response to said request, said method comprising analyzing the data requested by said observer in response to said request, automatically constructing a new request based on said analysis, and using said new request so that said operator transmits to said observer new data in response to said new request.