The main objective of this paper is to shed light on the negative impact of cybercrime on the economy of Bangladesh and also to find out the prevailing typologies of cybercrime in the banking sector. The literature review of this study attempts to explore the relationship between technological development and cybercrime in a global context. Moreover, the patterns and trends of cyber-crime in the Bangladeshi banking sector have been reviewed. At the same time, how the Bangladeshi banking sector has consistently been victimized by cybercrime, the prevalence of cybercrime in various commercial banks and what are the systemic flaws in dealing with cybercrime are discussed in the investigative part of this paper. The recommendations section of this paper provides some guidance on how to combat cybercrime and build a strong cyber security framework.