Islam, Mohammad Saidul2018-11-162018-11-162017-06Vol. 5, No. 1, June 20172311-620X (Online)2308-5096 (Print)http://dspace.iiuc.ac.bd:8080/xmlui/handle/88203/282The technological advancement has made States, societies and individual fully dependent on computers, computer systems and internets and simultaneously made them vulnerable by broadening the scope of cyber-attacks. The cost effectiveness, easiness and safetyness of cyber attackers have significantly contributed to increase cyber attacks worldwide. The wider use of computers in many places including many dangerous and important installations like nuclear power plant, water dams, electric power grids, hospitals, oil and gas installations have fallen the people in a havoc danger in all time of cyber attacks. In this regard some important issues are unsettled yet namely, identification of the attackers, whether international humanitarian law applies in cyber attack. This study will not explore the technique of identification of cyber attackers which is the works of the scientists; it will only focus the most important controversial unsettled issue of contemporary world whether IHL applies in the cyber attacks.enCyber attackcyber warfareinternational humanitarian lawarmed conflicttechnological advancementArticle