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OWASP Top 10

Free

The most critical web application security risks

FreeFree tier
Type
Open Source
Company
OWASP Foundation

About OWASP Top 10

The OWASP Top 10 is a standard awareness document for developers and web application security. It represents a broad consensus about the most critical security risks to web applications. Published by the Open Worldwide Application Security Project (OWASP), the list is updated periodically and includes detailed descriptions, examples, and mitigation guidance for each risk. It is widely used for security training, compliance, and as a baseline for secure development practices.

Key Features

Ranked list of top 10 web application security risks
Detailed descriptions and examples of vulnerabilities
Mitigation guidance and best practices
Community-driven and regularly updated
Free and open to all

Pros & Cons

Pros
  • Widely recognized industry standard
  • Free and open source
  • Regularly updated to reflect current threats
  • Provides actionable guidance with examples
  • Community-driven with broad consensus
Cons
  • High-level overview; not exhaustive for all vulnerabilities
  • May not cover application-specific or context-dependent risks
  • Version updates can lag behind emerging threats
  • Relies on community consensus, which may have biases

Best For

Security training and awareness for developersRisk assessment for web applicationsSecure coding practices and code review checklistsCompliance with security standards (e.g., PCI DSS, ISO 27001)

FAQ

What is the OWASP Top 10?
The OWASP Top 10 is a standard awareness document that lists the ten most critical web application security risks, providing descriptions, examples, and mitigation guidance.
Who maintains the OWASP Top 10?
The OWASP Top 10 is maintained by the Open Worldwide Application Security Project (OWASP), a nonprofit foundation dedicated to software security.