1. A computer system for protecting a plurality of guarded networks from Internet threats, each guarded network of the plurality of guarded networks comprising at least one firewall, the system comprising: at least one processor in operative communication with a plurality of log collection circuits via the Internet and in operative communication with a plurality of intelligence sources via the Internet, each log collection circuit of the plurality of log collection circuits in operative communication with one or more firewalls of a corresponding guarded network of the plurality of guarded networks and comprising at least one first memory device operative to store traffic information of the corresponding guarded network, the at least one processor operative to: receive the traffic information from each log collection circuit of the plurality of log collection circuits, the traffic information comprising information regarding memory usage of the at least one first memory device of the log collection circuit and information regarding outbound or incoming communications blocked by the one or more firewalls; receive intelligence data from the plurality of intelligence sources, the intelligence data regarding a plurality of addresses; generate reputation information regarding one or more addresses of the plurality of addresses, the reputation information generated in response at least to the received traffic information and at least to the received intelligence data, the reputation information indicative of a likelihood for each address that the address is an address of a threatening source; and transmit the reputation information to each log collection circuit of the plurality of log collection circuits; and at least one second memory device in operative communication with the at least one processor, the at least second one memory device operative to store addresses of the plurality of log collection circuits, addresses of the plurality of intelligence sources, the received traffic information, the received intelligence data, and the reputation information.