Abstract: A system for providing a private network to a user terminal (110), the system comprising: the user terminal (110) configured to request content from secure sources (120, 130) compliant with secure content certificates (111) and from a proxy server (150); wherein the proxy server (150) is configured to: communicate with the user terminal (110) via a secure channel; receive from the user terminal (110) a request to access content from an external content server (160); retrieve the requested content from the external content server (160); verify the compliance of the requested content with predefined content compliance rules (151); and provide the requested content to the user terminal (110) if the content is compliant with the predefined content compliance rules (151). The user terminal (110) further comprises content access rules defining the types of content which can be accessed directly without the use of the proxy server (150).