1. One or more non-transitory computer-readable media storing computer-executable instructions executable by one or more processors, the computer-executable instructions comprising: instructions that cause the one or more processors to provide a training word to a user of a user computing device; instructions that cause the one or more processors to receive input associated with the training word from the user, the input comprising a sequence of user input entries corresponding to the training word; instructions that cause the one or more processors to derive metadata associated with the sequence of user input entries; instructions that cause the one or more processors to generate a user input pattern profile based at least in part on the metadata; instructions that cause the one or more processors to generate a plurality of computer-generated entries associated with the training word; instructions that cause the one or more processors to receive login information from the user computing device; and instructions that cause the one or more processors to determine whether the login information identifies the user based at least in part on the user input pattern profile and the plurality of computer-generated entries associated with the training word.