---
title: "5 Node.js security code snippets every backend developer should know"
url: https://daily.dev/posts/5-node-js-security-code-snippets-every-backend-developer-should-know-mdsc9ppvu
source_url: https://snyk.io/blog/5-node-js-security-code-snippets-every-backend-developer-should-know/
type: article
source: "Snyk"
published: 2024-02-28T14:04:08.705Z
updated: 2024-05-09T09:21:59.549Z
tags: ["security", "nodejs", "backend", "fastify"]
reading_time: 13
upvotes: 122
comments: 6
language: en
---

> ## Documentation Index
> Fetch the complete documentation index at: https://daily.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# 5 Node.js security code snippets every backend developer should know

**[Snyk](https://daily.dev/sources/snyk)** · 13 min read · 122 upvotes · 6 comments

## Summary

Learn about essential Node.js security code snippets, including using the Node.js Permissions Model, implementing input validation with Fastify JSON schema, securing password hashing with Bcrypt, preventing SQL injection attacks with Knex.js, and implementing rate limiting with fastify-rate-limit.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://snyk.io/blog/5-node-js-security-code-snippets-every-backend-developer-should-know/>

## Community discussion

Top comments from developers on daily.dev.

**@corentynhayer** · 0 upvotes

> Very interesting ! I recommend !

**@brunocardoso** · 0 upvotes

> Thanks for share!

**@pedrocarrasco** · 0 upvotes

> Thanks for the article, I jot down the SQL injection snnipet...

**@legendaryemoji** · 0 upvotes

> This seems like a promotional article of Fastify lmao. Great article though

**@atharvanp** · 0 upvotes

> Learnt some new things. Very good!!

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---

Tags: [#security](https://daily.dev/tags/security), [#nodejs](https://daily.dev/tags/nodejs), [#backend](https://daily.dev/tags/backend), [#fastify](https://daily.dev/tags/fastify)

[View this post on daily.dev](https://daily.dev/posts/5-node-js-security-code-snippets-every-backend-developer-should-know-mdsc9ppvu)