Customers can talk to banks more easily and will do so faster, more uniquely in the digital age. There is gaps in cyber security challenges caused by a bank and customer rush for digital adoption. Cyber security in trust based Digital Banking: an integral part. This article aims at examining the double role of cyberspace in digital banking: security and trust relationship mediating environment. Investigating the role of cyber security in building consumer trust and loyalty: Focus on digital protection strategies and its impact. Moreover, it is conducted an investigation of how trust and risk management result from compliance based on NIST Cyber security Framework and GDPR. Customers usually determine whether a product/service is trustworthy and secure basis visual security mechanisms such as data encryption, 2FA etc., finally cyber security becoming an inherent strategic priority to maintain resilience.