Amal for fear of an enemy or any other fear
Sheikh ِAbul Hasan Qazweeni narrates that the Recitation of Surah Quraish is a means of protection from every type of evil.
Allamah Jazri mentions that this a tried and tested Amal.
Qadhi Thanaaullah (Rahimahullah) also mentions that he has tried and tested this amal and has found it to be very effective. (Tafseer e Mazhari)