The invention relates to a system for providing customer requested services relating to security, monitoring and/or data acquisition in relation to a data processing device and/or a data network of a customer, whereone or more of a plurality of tests are selected to be executed in relation to the data processing device and/or a data network,the selection of one or more tests being executed from a server which is connectable to the data processing devices and/or data network via a communication network, and wheredata representing results of the selection of tests may be accessed by the customer via a communication network and/or transmitted to the customer.