Patent ID: 7971245

Claim:
A system to verify publication data at a host computer system, the system including: an interface module, integrated with the host computer system, to receive a communication, including the publication data, the publication data to be published via a network by the host computer system at a future time; a database, coupled to the host computer system, to store the publication data; and a processor-implemented security module to: identify a reference within the publication data to further data that is not included within the communication, the further data to be retrieved from a system external from the computer system, and retrieved directly from the external system when the publication data is rendered by a client accessing the publication data over the network, store the reference at the computer system, repetitively retrieve, over a period of time spanning both before publication over the network and after initial publication over the network, the further data from the system external from the computer system by retrieving the reference from the computer system, subsequent to each retrieval of the further data, to determine whether the further data is malicious, and prevent publication of the reference if the further data is malicious.