What, you might ask, are industries and domains within cybersecurity? Simply put, industries are groups of related companies based on their primary business activities. Fields are specified spheres of knowledge and action within a discipline. Why is it essential for those interested in a cybersecurity career to know the top industries and domains? Well, one reason is when you seek a cybersecurity job, it’s always good to know which industries are hiring the most professionals. Fields within cybersecurity are also crucial to know what knowledge is expected of you if you enter cybersecurity.