OWASP Top 10 Checklist

Work through the OWASP Top 10 security categories, mark each one as addressed, and see your overall security coverage score.

Use the OWASP Top 10 Checklist

Security Score

OWASP Top 10 — 2021 Edition

0% addressed

0 of 10 categories checked

Addressed Not yet addressed
Done!

Summary

This tool presents the OWASP Top 10 2021 vulnerability categories as an interactive checklist. Each item can be toggled to indicate it has been addressed in your application. Your progress is shown as a percentage score and persisted in localStorage.

How it works

  1. All state is managed in the browser via localStorage. Toggling an item flips a boolean in a JS object keyed by OWASP category ID. The score recomputes on every toggle and the progress bar updates instantly. No server calls are made.

Use cases

  • Perform a quick self-audit of a web application before launch.
  • Guide a team security review meeting with a shared checklist.
  • Track which OWASP categories have been addressed across sprints.
  • Produce a plain-text checklist summary for a security report or ticket.

Frequently Asked Questions

Last updated: 2026-06-13 · Reviewed by Nham Vu