2. The non-transitory computer-readable medium of claim 1 , wherein at least one of the plurality of knowledge-based questions is dynamically generated based at least in part on purchase transaction data associated with the user.
1. A non-transitory computer-readable medium embodying specific instructions that, when executed, cause a remote computing device to at least: automatically generate a security credential for a user account with a network site according to a security credential specification requested from the network site at a standardized location, the security credential having a maximum security strength as defined by the security credential specification; automatically establish the security credential with the network site as a valid security credential; select a plurality of knowledge-based questions to be presented to a user at a client computing device in response to receiving a request for the security credential from the client computing device; provide the plurality of knowledge-based questions to the client computing device in response to the request; generate a score based at least in part on a comparison of a plurality of received answers to the plurality of knowledge-based questions with a plurality of valid answers to the plurality of knowledge-based questions, the plurality of received answers being received from the client computing device, and individual received answers of the plurality of received answers being weighted with a respective different weight based at least in part on a respective knowledge-based question of the plurality of knowledge-based questions; provide the security credential to the client computing device when the score meets a predetermined threshold; and establish a master security credential received from the client computing device as a valid master security credential when the score meets the predetermined threshold.