# Triple-layer security for Firebase web apps

DevFeed: [Triple-layer security for Firebase web apps](<https://devfeed.tech/articles/triple-layer-security-for-firebase-web-apps-16672.md>)

Original publisher: [Read original article](<https://firebase.blog/posts/2026/07/three-layer-security>)

Author: Roger Martinez

Published: 2026-07-30T00:00:00Z

Content type: tutorial

Language: en

Sources: [Firebase Blog](<https://devfeed.tech/sources/firebase-blog.md>)

Topics: [Firebase](<https://devfeed.tech/topics/firebase.md>), [Security](<https://devfeed.tech/topics/security.md>), [Web app](<https://devfeed.tech/topics/webapp.md>), [Firestore](<https://devfeed.tech/topics/firestore.md>)

Tags: [app-check](<https://devfeed.tech/tags/app-check.md>), [apps](<https://devfeed.tech/tags/apps.md>), [article](<https://devfeed.tech/tags/article.md>), [cloud-functions](<https://devfeed.tech/tags/cloud-functions.md>), [firebase](<https://devfeed.tech/tags/firebase.md>), [firestore](<https://devfeed.tech/tags/firestore.md>), [security](<https://devfeed.tech/tags/security.md>), [security-rules](<https://devfeed.tech/tags/security-rules.md>), [tutorials](<https://devfeed.tech/tags/tutorials.md>), [web](<https://devfeed.tech/tags/web.md>), [web-apps](<https://devfeed.tech/tags/web-apps.md>)

## AI overview

This tutorial explains three layers of security for Firebase web apps: Firebase Security Rules, Google Cloud service accounts, and Firebase App Check. It focuses on narrowing Firestore rules by resource, allowed operations, and client identity, including a rule that limits reads to published articles.

## Source excerpt

News, tutorials, and updates from the Firebase team.