What is the most secure method for storing a password persistently on the client side between pages?

Is there a secure method to authenticate login credentials via AJAX on a Squarespace website without using PHP? I am currently trying to password protect certain pages on my website by validating login information stored in an external PHP script and database.

I am exploring different options, such as storing a token returned upon successful login in order to authenticate users on subsequent pages. I have researched using cookies, web storage, local storage, and window.name, but haven't found a completely secure solution without employing PHP.

Do you know of a secure way to achieve this authentication process securely on a Squarespace website?

javascriptajaxsecuritysquarespaceweb-storage

Answer №1

When it comes to security, the method you choose to store information is crucial. PHP and ASP.NET both offer session features that can be used to securely manage data. These sessions can utilize query strings or cookies for storage. While this is a common practice on many websites, the level of security depends on what data is stored in these cookies.

For example, storing a simple value like "IsLoggedIn" with a value of 1 in a cookie is not secure. However, if you follow the best practices of using a cryptographically secure random string that is validated server-side, you can ensure a higher level of security.

It may also be worth considering using PHP sessions to store sensitive information. By storing data in the session object, which is stored server-side rather than client-side, you can enhance the security of your application. More information on PHP sessions can be found here: http://php.net/manual/en/features.sessions.php

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