1. A network regulator comprising a hardware processor and a memory, the hardware processor configured to: automatically take over a network service from a router, the network regulator connected to the router over a local network, the network service comprising assigning network addresses to a plurality of client systems connected to the local network; in response to taking over the network service, intercept a request by a client system of the plurality of client systems to access a resource located outside the local network; and in response to intercepting the request, transmit an indicator of the request to a remote security server for analysis, wherein the security server is configured to determine whether accessing the resource constitutes a computer security threat to the client system.