Al-Istishraq is one of the subversive elements that have been corrupting Muslims into becoming radicalised, since the times of colonialism until present times. They denied the contribution of Islam in knowledge and civilizations resulting precedence in Muslim civilization becoming unclear. Al-Istishraq succeeds in misguiding and affecting integration among Muslims as Muslims blindly follow the ideologies. Prevention on such matter is challenging as scholars fail to provide comprehensive guidelines. The extremism numbers are alarming. It raises hatred and destruction of others. This article shall briefly review the impact and cause of al-Istishraq, and Muslims weaknesses in comprehend the spread.