Methods and systems are disclosed for protecting sensitive data. In one implementation, a message is received that includes a plurality of information elements, at least one of the plurality of information elements having message information and belonging to at least one of a plurality of predefined classes of information elements. At least one of the plurality of information elements may be selected that belongs to a predefined class corresponding to a target class, the target class including classes of information elements selected for removal. Further, any message information corresponding to the selected information elements may be removed to protect sensitive data.