What is OWASP Top 10?
The OWASP Top 10 is a reference document identifying the most critical security risks in web applications.
Main vulnerabilities
A01: Broken Access Control
Authorization failures. Users accessing functionality or data they shouldn't.
A02: Cryptographic Failures
Incorrect use of cryptography: unhashed passwords, expired certificates, insecure protocols.
A03: Injection
SQL, NoSQL, OS Command Injection. Occurs when untrusted data is sent to an interpreter.
A04: Insecure Design
Errors in application design: lack of rate limiting, insufficient validation, insecure logic.
A05: Security Misconfiguration
Insecure default configurations, open directories, missing security headers.
A06: Vulnerable Components
Using libraries and frameworks with known vulnerabilities. Keep dependencies updated.
A07: Auth Failures
Authentication failures: allowing weak passwords, lack of MFA, insecure sessions.
How to protect your application
Implement security headers checklist, use CSP, perform periodic pentesting, and maintain a bug bounty program.
Conclusion
Web security is a continuous responsibility. At Vynta we conduct OWASP Top 10 security audits to identify and fix vulnerabilities before they are exploited.