Thepresent era of Cyber-age indeed is a trending topic where network with thepresence of internet provides foremost impact on professional and social life.Having a widespread range of internet has also arisen the apprehensiveness ofnetwork security. We rely upon technology intensely which decodes to theemergence of the online hacker. The expanding nature of the organizationresults the higher danger of cyber-assault. This is the reason cyber securitycomes into the picture to rescue. Cyber security, as a textbook definition, refersto the collection of security concepts, rules, legal acts, regulation,exercise, training and assurance of technologies, safeguards, policies that canbe utilized to ensure the cyber condition, association and client’s assets. Tobe more precise, it guarantees the completion and maintenance of the security resourcesof the organization and user’s benefit against applicable security risk in thecyber environment.

Inthe context of cyber space, Bangladesh has turned out to be a standout amongst100 nations, ranked 73 in the National Cyber Security Index (NCSI).Cyber-attacks often took place, which caused loss of assets in very recenttime. Banking segment, corporate division, intelligent agencies, Bangladeshadministrator services, credential data storage, and a lot more are beingaffected by the involvement of cyber-crime. According to the Kaspersky SecurityBulletin 2015, about 69.55% individuals are in the high risk of local virusinfection and around 80% users are the victims of spam attack in Bangladesh.Bangladesh bank experienced a massive loss of money as hackers successfullystole nearly $100 million in the year 2016 and depict an alert for the otherbanks as the considerable threat of cyber-crime. Moreover, the endurance ofdestruction of several online resources due to the cyber-war occurrence has ledthe country to look for possible solution.     

Cyber-securitytherefore, demands an incredible working opportunity, related to almost everyaccount. The demand for security experts is foreseeing to develop in the comingdays. The cyber security market is expected to grow to around $232 billion by2022. There is an extensive requirement for security experts to work in theethical hacking field in order to deal with its security, particularly clientdata or private details. Big IT organization in Bangladesh, Army sector,banking sector, firmly recognize the requirement for data security specialist,cyber security experts, and ethical hackers. Hence, an ethical hacker orsecurity expert is usually employed by companies to ensure the security systempowerful.