Since 2010 Boko Haram uprising, it has transformed into a powerful regional terrorist group whose terrorist act of bombing and kidnapping had attracted the world attention. Rapidly Boko Haram has become the second most dreaded terrorist group in the world after Islamic States (ISIS) in Iraq and Syria. The group’s tactics shifted and diversified from attacks on government installations to more damning quest through bombings, robberies, kidnappings, assaults on churches and mainstream Muslim targets, leading to occupation of villages and towns, indicating greater confidence and capacity to form a territory within the territory of Nigeria and declare an “Islamic Caliphate” in Nigeria which is their utmost objective. This article reviews the activities of Boko Haram Islamic Militant terror group operating in the northern region of Nigeria, the result of its frequent attacks in the region, governance and economic activities had been brought to a halt. This article also analyses the roles played by international community and the efforts of the Nigeria government in resolving the crisis. The article further points out the continuous attacks of Boko Haram if unchecked its will threaten the relatively peace and security in the West Africa region.