Various systems and methods for authenticating a user are described herein. A system to includes a biometric scanner to scan an input sequence of biometric identifiers; a storage device to store a biometric identifier database; an input module to receive the input sequence of biometric identifiers; an access module to access the biometric identifier database and retrieve a secret sequence of biometric identifiers; a comparator module to compare the input sequence of biometric identifiers to the secret sequence of biometric identifiers to obtain a result; and an authorization module to, based on the result, allow access to a resource provided by the system.