In system and methods for theft prevention or mitigation, driver-related data associated with one or more authorized drivers of an insured vehicle may be collected over time. The authorized drivers and the insured vehicle may be covered by an insurance policy issued by an insurance provider. Based upon the collected driver-related data, a database associated with the authorized drivers may be built. Current driver-related data associated with an individual currently driving, attempting to start, or sitting in a seat of the insured vehicle may be collected. It may be determined, using both the database and the current driver-related data, that the individual is not among the authorized drivers. A disablement of an operation of the insured vehicle may be caused, and/or the individual may be caused to be prevented from starting or otherwise operating the insured vehicle, to facilitate preventing or mitigating theft of the insured vehicle.