Embodiments of the invention provide a method, system and computer program product for advanced application authentication utilizing an application key. In a method of the invention, an end user provides in a single user interface screen for authenticating into an application, each of a user identification, password and an application key. Thereafter, the application key is validated in connection with the user identification. If the application key validates in connection with the user identification, one or more application parameters for the application necessary to complete a log-in process are retrieved and the end user is authenticated into the application utilizing each of the user identification, password and application parameters so as to complete the log in process for the end user and the application and the end user is granted the ability to utilize the application.
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