This work is dedicated to the importance of financial security of the banking system of Ukraine and conducting a comprehensive assessment of the current situation. An analysis of the protection and insecurity of the current bank was carried out. The technical details of the bank's security system have been reviewed. Cybersecurity of banking and banking sectors is an important part of our economy. However, cyber-attacks are becoming increasingly sophisticated, and banks are at risk of losing their efforts to protect the data of their clients. By keeping up to date with the latest security technologies and best practices, banks can continue to provide their clients with safe and reliable banking services.