Securing JWT Storage: How Developers Can Prevent User Impersonation Attacks

JWT storage is a frequently overlooked but critical security concern that, when mishandled, exposes applications to token theft and user impersonation attacks costing organizations millions in breach costs. This guide addresses the essential JWT security gap by examining browser storage methods, common attack vectors like XSS and algorithm confusion, and implementation best practices. Understanding how to securely store and manage JWTs is essential for any developer building trustworthy, secure applications.