OWASP Top 10 Scanner

The OWASP Top 10 represents the most critical web application security risks. Test your website against all 10 categories — free, instant, no signup.

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The OWASP Top 10 (2021): Every Risk Explained

The OWASP Top 10 is the global standard for web application security awareness. Published by the Open Web Application Security Project, it represents the most critical security risks that every web developer and business owner should know.

The 10 Categories

  1. A01 — Broken Access Control — Users can act outside their intended permissions
  2. A02 — Cryptographic Failures — Weak encryption exposing sensitive data
  3. A03 — Injection — SQL, NoSQL, OS, and LDAP injection attacks
  4. A04 — Insecure Design — Missing security controls in the design phase
  5. A05 — Security Misconfiguration — Default configs, unnecessary features enabled
  6. A06 — Vulnerable Components — Using libraries with known vulnerabilities
  7. A07 — Auth Failures — Broken authentication and session management
  8. A08 — Data Integrity Failures — Insecure deserialization and CI/CD issues
  9. A09 — Logging Failures — Insufficient logging and monitoring
  10. A10 — SSRF — Server-Side Request Forgery attacks

Frequently Asked Questions

What is the OWASP Top 10?

A regularly updated list of the 10 most critical web application security risks, published by the Open Web Application Security Project. It is the industry standard reference for web security.

How often is the OWASP Top 10 updated?

Approximately every 3-4 years. The current version is from 2021. OWASP gathers data from hundreds of organizations to determine the most prevalent risks.

Does VulnScan check for all OWASP Top 10 risks?

Our Deep Scan ($199) maps findings directly to OWASP Top 10 categories and provides remediation guidance for each identified risk.

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