1. A cybersecurity training system, comprising: a processor; one or more data storage devices that store: at least one training intervention, and a training needs model; a computer-readable memory portion holding programming instructions that, when executed, instruct one or more processors to implement a policy manager that: analyzes data relating to at least one user by applying the training needs model to the data to determine whether the at least one user may be at risk for a threat scenario, and identifies, from the at least one training intervention, a set of one or more system-selected training interventions that are relevant to the threat scenario; a computer-readable memory portion holding programming instructions that, when executed, instruct one or more processors to implement a system administrator interface that displays the set of one or more system-selected training interventions and receives a selection of an intervention in the set from an administrator; and a computer-readable memory portion holding programming instructions that, when executed, instruct one or more processors to generate a command to deliver the administrator-selected training intervention to the at least one user.