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User data is an essential component of a great user interface when it comes down to creating applications. User data includes things like settings and customizations that users can make on a website platform. It is essential that these data are safe and secure from unauthorised access.

There are a myriad of ways to protect user data however, in this article, we will concentrate on three options: Local Storage (local storage), Session Storage (session storage) and App Data. These options each have their own pros and cons, but they are all suitable for storing small quantities of data within the browser.

App data can be used to save the preferences and settings that are specific to an app. However it is crucial to remember that app data isn’t persistent, meaning that the moment a user closes the browser or when their session expires, any app data will be lost. App data is not safe as anyone with a decryption code could access the information. It is suggested that apps not be used to store sensitive information such as passwords.

Session storage is similar to app data in that it is also application-specific, but it is a lot more scalable and allows for a much larger amount of data to be stored. Similar to app data, however, session storage isn’t persistent. If a user clears the browser’s cookie, or the session expires, all session data will be lost.

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