Targeted electronic content delivery control systems and methods are disclosed. All communication traffic exchanged with a communication network subscriber over an access communication link that enables the subscriber to access electronic content is monitored, and behavioral information indicative of behavior of the subscriber in using the access communication link is collected from the monitored communication traffic. A behavioral profile of the subscriber is maintained based on the behavioral information. Delivery of targeted electronic content to the subscriber for presentation with electronic content accessed by the subscriber is controlled based on the behavioral profile.