1. A method for generating a customer blacklist associated with a customer system, comprising the steps of: generating a network blacklist comprising a first plurality of Internet Protocol (IP) addresses, said first plurality of IP addresses identifying a first plurality of unwanted traffic sources; generating a customer whitelist comprising a second plurality of IP addresses, said second plurality of IP addresses identifying a plurality of wanted traffic sources; comparing each IP address in said first plurality of IP addresses with each IP address in said second plurality of IP addresses; and for each IP address in said first plurality of IP addresses: adding the IP address to the customer blacklist if the IP address is not in said second plurality of IP addresses; and not adding the IP address to the customer blacklist if the IP address is in the second plurality of IP addresses.