Introduction

Security is everyone’s responsibility.
Diffcozen explains the roles of frontend and backend developers.

Frontend Responsibilities

• Input validation
• Avoid storing sensitive data insecurely
• Secure API consumption

Backend Responsibilities

• Authentication & authorization
• Data validation & encryption
• Secure database access

Collaboration is Key

Frontend and backend must work together for a secure app.

Conclusion

Both teams share responsibility — knowledge of security basics is essential for all developers.