This work examines the philosophical foundations of information ethics and their potential for application to contemporary problems in U.S. foreign intelligence surveillance. Questions concerning the limits of government intrusion on protected Fourth Amendment rights are examined against the backdrop of the post-9/11 period. Changes to U.S. foreign intelligence surveillance law and policy are analyzed by applying the traditional ethical theories commonly used to support or discount these changes, namely utilitarian and contractarian ethical theories. The resulting research combines both...