Web Security in 2025: OWASP Top 10 and How to Protect Your JavaScript Applications
Hello HaWkers, with cyberattacks increasing exponentially, security is no longer just a specialist's responsibility. Every developer needs to know OWASP Top 10 and implement basic protections.
Let's explore the most common vulnerabilities and how to protect your JavaScript applications against XSS, SQL injection, CSRF, and other critical attacks.
Security Checklist
- Validate ALL user input
- Use prepared statements (SQL)
- Sanitize HTML output
- Implement rate limiting
- HTTPS in production (always!)
- Hash passwords with bcrypt
- Short JWT expiration
- CSRF tokens in forms
- Security headers (Helmet)
- Updated dependencies
- Secrets in env vars
Security is not optional in 2025. With increasingly sophisticated attacks, every developer is responsible for secure code.