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Stop Storing Sensitive Data in Local Storage: Do This Instead!

Patricia Arquette
Release: 2025-01-13 14:35:42
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Stop Storing Sensitive Data in Local Storage: Do This Instead!

Storing sensitive data like access tokens in local storage is a big no-no! Here's why:

1️⃣ Local storage is vulnerable to XSS attacks.

2️⃣ Tokens in local storage can be easily accessed by JavaScript, increasing the risk of compromise.

? The Solution?

Store all tokens and sensitive data in HTTP-only cookies. Here's why it's better:

  • Cookies are secure and inaccessible to JavaScript.
  • They support automatic handling of token refreshing.
  • Signed cookies ensure data integrity.

What I’m Building ?

I’m working on creating a secure Node.js React app that:

✅ Never store sensitive data in local storage.

✅ Is scalable for big systems.

✅ Includes an easy-to-follow tutorial with a GitHub repo link!

? Want to learn how to build this? Subscribe now!


? Connect With Me

  • Website: elvissautet.com – Check out my portfolio and projects!
  • LinkedIn: linkedin.com/in/elvissautet
  • Twitter: twitter.com/elvisautet
  • Facebook Page: fb.me/elvissautet

Let’s connect and build something great together! ?

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source:dev.to
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