1. A computer system for providing security in a computer network, the system comprising: a global sensor device configured to determine potential threats to the computer network by monitoring new domain registrations and identifying one or more suspect domain names, wherein the one or more suspect domain names include one or more domain names that are inconsistent with domain naming practices associated with non-mailcious domain names; a global threat manager device configured to determine identification information associated with the potential threats; and a local security device configured to detect the existence of the potential threats based on the identification information and to take remedial action in response to the potential threats.