1. A method to be performed in an electronic processing environment that includes a processor and a memory, comprising: assigning a priority to a plurality of instances of known unwanted data, wherein the priority is reflective of how fast each of the plurality of instances proliferates over a network and a likelihood that the plurality of instances of known unwanted data would become widespread within a particular time period; and communicating information associated with at least one of the plurality of instances of known unwanted data over the network as part of an update for a system, wherein the information includes a detection technique for detecting an occurrence of the at least one instance of known unwanted data, the information being associated with a highest priority instance of the known unwanted data, and being communicated ahead of other instances of the plurality of instances having a lesser priority.