A student hoping to work in a field where keeping people safe is the main objective may benefit from taking classes in security. These programs teach students how to react in emergency situations, and they help to sharpen their reactions to a crisis.

A diploma is a document granted by any number of institutions, from colleges to technical schools. The intention of a diploma is to show that the holder has successfully completed coursework and has specific knowledge in the relevant subject. Diplomas are often offered and can be completed online.