The adoption of Information and Communication Technology in banking sector is generally referred to as electronic banking (E-banking) and application of its concepts, techniques, policies, and implementation strategies to banking services has become a subject of fundamental importance and concerns to all banks and indeed a pre-requisite for local and global competitiveness because, it directly affects the management decisions, plan and products and services to be offered by banks. Due to emergence of global economy; electronic banking has increasingly become an inevitable tool of banking business strategy and a strong catalyst for economic development.rnThis study is an overview of e-Banking in the Nigerian banking industry. Electronic banking offers ease of operation for both customers and the financial institution within the banking industry. Electronic banking has become popular because of its convenience and flexibility, and transaction related benefits like speed, efficiency and accessibility. Although there are still challenges facing e-banking operation in Nigeria such as insecurity and most importantly power challenges. The paper suggests that critical infrastructure like power; security and telecommunication should be strengthened to ensure the efficient application of electronic banking in Nigeria.