### Q1: What is the simplest method of data encryption that can be used to protect sensitive information in fintech applications?  
### Q2: How can implementing two-factor authentication (2FA) enhance the security of user accounts in fintech applications?  
### Q3: What are the key steps you would take to prevent SQL injection attacks in your application?  
### Q4: How does Role-Based Access Control (RBAC) enhance security in back-end development?  
### Q5: In what ways can regular vulnerability assessments contribute to the overall security posture of a fintech application?  
### Q6: How would you handle a situation where a data breach has occurred in your application?  
### Q7: How can you effectively communicate the importance of security best practices to your development team?  
### Q8: What strategies can you use to ensure that non-technical stakeholders understand the security measures implemented in your fintech applications?  
### Q9: How can you foster a culture of security awareness within your organization to minimize risks associated with common security threats?