Hardening the Application

Application hardening involves applying defense-in-depth measures to make the application more resistant to attacks.

Input Validation

  • Server-side validation for all inputs
  • Parameterized queries for all database operations
  • Output encoding based on context

Security Headers

  • HSTS, CSP, X-Frame-Options, etc.
  • Secure, HttpOnly, SameSite attributes

Logging and Monitoring

  • Security event logging
  • Error handling without information leakage
  • Audit trail for sensitive operations