Importance

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Abstract

Systems and methods are described for aggregating information obtained from messages between playback devices and content protection systems, including but not limited to conditional access systems, downloadable conditional access systems, and digital rights management systems, that include a unique identifier and applying user modifiable rules to the aggregated information to identify abnormal behavior associated with the unique identifier including but not limited to one or more clone playback devices utilizing the unique identifier or a rogue playback device utilizing a unique identifier. One embodiment includes a plurality of playback devices connected to a headend via a network, where the headend includes at least one content protection system, and a clone monitor configured to register playback devices based upon a unique identification supplied by each playback device, when communicating with the at least one content protection system. In addition, the clone monitor is configured to aggregate information associated with each playback device over time, where the information is obtained from messages that are transmitted between the playback device and the headend and that include a unique identifier, and the clone monitor is configured to apply rules to the aggregated information to identify at least one pattern of abnormal behavior in the aggregated information associated with a specific unique identifier.

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First Claim