Building a Secure Web App: Best Practices for Django, Wagtail, and Modern Web Security

July 19, 2025

Security Django Wagtail Web App Best Practices
Introduction
Security is a moving target. This post covers the best practices for securing Django and Wagtail apps, from authentication to the latest web threats.
Authentication and Authorization
- Use Django’s built-in authentication - Enforce strong password policies - Use two-factor authentication for admin users
Permissions and Access Control
- Use Django’s permission system - Limit admin access - Regularly audit user roles
Protecting Against Web Threats
- Enable HTTPS everywhere - Use Content Security Policy (CSP) - Protect against XSS, CSRF, and SQL injection
Sample Security Middleware
python 
from django.utils.deprecation import MiddlewareMixin
class SecurityHeadersMiddleware(MiddlewareMixin):
    def process_response(self, request, response):
        response["Content-Security-Policy"] = "default-src 'self'"
        response["X-Frame-Options"] = "DENY"
        return response
Conclusion
Web security is everyone’s responsibility. By following best practices and staying up to date, you can protect your users and your business.