# Group Security in the Firebase Database

DevFeed: [Group Security in the Firebase Database](<https://devfeed.tech/articles/group-security-in-the-firebase-database-16145.md>)

Original publisher: [Read original article](<https://firebase.blog/posts/2016/10/group-security-in-firebase-database>)

Author: Todd Kerpelman

Published: 2016-10-06T00:00:00Z

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>), [Database](<https://devfeed.tech/topics/database.md>)

Tags: [article](<https://devfeed.tech/tags/article.md>), [best-practices](<https://devfeed.tech/tags/best-practices.md>), [blog](<https://devfeed.tech/tags/blog.md>), [database](<https://devfeed.tech/tags/database.md>), [firebase](<https://devfeed.tech/tags/firebase.md>), [firebase-database](<https://devfeed.tech/tags/firebase-database.md>), [realtime-database](<https://devfeed.tech/tags/realtime-database.md>), [security](<https://devfeed.tech/tags/security.md>), [security-rules](<https://devfeed.tech/tags/security-rules.md>), [tutorials](<https://devfeed.tech/tags/tutorials.md>)

## AI overview

This tutorial explains how to use Firebase security rules to restrict chat and photo-sharing data to selected groups. It describes allowing group members to read and write messages and applying more fine-grained permissions for different user types.

## Source excerpt

News, tutorials, and updates from the Firebase team.