The disclosed computer-implemented method for managing digital personas for online services may include generating a digital persona and a persona wear indicator (PWI) score for a user of an anonymized inbox with a communication alias to use for an online entity, determining, based on one or more communication messages associated with the communication alias, that the online entity has leaked information associated with the digital persona, recalculating the PWI score for the digital persona based at least in part on the determination that the online entity has leaked the information, determining that the PWI score exceeds a privacy score threshold; and in response to determining that the PWI score exceeds the privacy score threshold, performing a security action that protects privacy of the user. Various other methods, systems, and computer-readable media are also disclosed.