Security is not an afterthought — it is a fundamental requirement for any web application.
Common Vulnerabilities (OWASP Top 10)
- Broken Access Control
- Cryptographic Failures
- Injection (SQL, NoSQL, Command)
- Insecure Design
- Security Misconfiguration
Essential Security Measures
- Input validation and sanitization
- Multi-factor authentication (MFA)
- OAuth 2.0 / OpenID Connect
- HTTPS everywhere with HSTS
- Content Security Policy (CSP) headers
- Regular dependency updates
Security Headers Checklist
Strict-Transport-Security, Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy
Incident Response Plan
Detect, Contain, Eradicate, Recover, Learn.
Conclusion
Security is a continuous process, not a one-time checkbox.