1. A method for protecting electronic content from unauthorized use, the method comprising: monitoring at least one system interface through which electronic data is transferred to a peripheral device, the monitoring comprising: obtaining a first identifier associated with at least a portion of the electronic data, wherein the first identifier is a distillation of some part of the electronic data; comparing the first identifier with a second identifier; determining that the first identifier is related to the second identifier in a predefined manner and that the peripheral device is not permitted to receive the electronic data based on one or more rules associated with the electronic data; and taking at least one action to protect the electronic content from unauthorized use based on the determination.