Patterns
Security Patterns
Front-end strategies to protect data and prevent attacks.
Why this section exists?
Security is a shared responsibility. The front-end is the first line of defense against many attacks.
The Core Problem
Malicious scripts (XSS) or unauthorized requests can steal user data or compromise the application.
Engineering Patterns:
- Content Sanitization: Cleaning user input before rendering it to the screen.
- Secure Storage: Understanding the risks of LocalStorage vs Cookies.
- Communication Safety: Implementing CSRF protection and secure headers.
Impact: Protects the company's reputation and ensures user data privacy.