The Ebolavirus (EV) causes a severe, often fatal infectious disease which is rated to the hemorrhagic fevers. Numerous outbreaks of Ebola virus over the last three decades have perpetuated a sense of fear and eco- nomic chaos in local and regional communities in Africa. Until recently, it has been considered as affecting only the African region, which is not true. The frequency of outbreaks has increased since the 1970s. The World Health Organization (WHO) has declared the 2014 Ebola outbreak in Western Africa to be public health emergency and the most severe in history. The price of living in a „Global Village” is a high risk of intercontinental virus transmission to virtually any part of the world for this purpose using modern means of transport and general lifestyle. Clinical symptoms of Ebola typically appear after an incubation period of approximately 11 days, so it causes difficulties in diagnoses. A flu-like symptoms may progress to full hemorrhagic fever with multiple organ dysfunction syndrome and frequently lead to death. This article presents Ebola virus and depicts virus as an excellent agent that could be used by terrorist groups to achieve their evil, social, political or religious goals. The article presents the etiology of 2014 Ebola virus outbreak in West Africa, the threat, ways to fight with EV and outbreak and the costs. This article will help readers illustrate what might happen if this dangerous pathogen, one of the factors of biological weapons of mass destruction, will get into the wrong hands.