•دشمن‌شناسی و نقش آن در تعالی سازمان‌های حفاظتی

One of the effective factors in neutralizing threats and intelligence attacks of enemies is exact knowing of their purposes, programs and areas of activity. until human has no knowledge about enemy and its programs, it is impossible programming and doing to competition against it. armed forces (military forces and the police) of islamic republic of iran and its dedicated staff are permanent purposes of enemies that it is necessary, they protect by revolutionary tact and following of intelligently acumens of supreme leader all forces (supreme leader).in this study, the researcher with emphasis and utilizing from guidance and cautions of the great founder of islamic revolution (pbuh) and supreme leader , imam khamenei (under god's protection) want to explicate effective factors, affecting on knowing of enemy and its role on mission effectiveness and excellence of security organizations. study's questions on this basis include: what is the role of knowing the enemy in excellence and mission effectiveness of security organization? what are the methods of battle against enemy? what is the role of security staff at competition and neutralizing of enemy threats? the goal of this study is applied and the method of research here is descriptive and collecting data were done by library method.