This study investigates cyber security awareness among students at the UMK city campus, focusing on Islamic digital banking. It uses the Theory of Reasoned Action (TRA) as a theoretical framework and collects 371 questionnaires. Statistical analyses, validity and reliability tests, regression analysis, and the Pearson correlation coefficient are used to test hypotheses and explore relationships between variables. For the research design, the researchers used a quantitative method to understand the factors influencing cyber security awareness. Findings from the study reveal a strong relationship between cyber security awareness and knowledge of technology, social media information, internet user experiences and internet user attitude. However, the research emphasizes the importance of cyber security awareness in the Islamic digital banking sector, highlighting its relevance in the context of the Theory of Reasoned Action (TRA). This study contributes to the existing literature on cyber security in digital financial services. The study emphasizes the significance of cyber security awareness in the Islamic digital banking sector for promoting financial inclusion, efficiency, and economic growth. It suggests that evolving cyber security awareness is crucial for the sector's continued growth and resilience.