Common Vulnerabilities
Understanding common threats is the first step to securing your applications.
OWASP Top 10
- SQL Injection
- Cross-Site Scripting (XSS)
- Cross-Site Request Forgery (CSRF)
- Insecure Direct Object References
Defense Strategies
Always validate and sanitize user input.
$cleanInput = filter_var($input, FILTER_SANITIZE_STRING);Use prepared statements for database queries.