Randall Degges examines the good and bad uses of Local Storage.

tldr, don’t use it to store sensitive data.

Almost every day I stumble across a new website storing sensitive user information in local storage and it bothers me to know that so many developers are opening themselves up to catastrophic security issues by doing so.

Let’s have a heart-to-heart and talk about local storage and why you should stop using it to store session data.