One can be a security consultant in a number of ways. Some firms insist on having a license, while for others, it's not mandatory as long as one possesses required qualifications. If one aspires to become a security consultant, then the following guidelines would come in handy: 1  A bachelor's degree in any subject. 2  Enroll yourself in a training program that offers certification as a Security Consultant. 3  A relevant degree can also be obtained, but is not necessary.