In general, you usually need a high school diploma.
To be an airport security guard, you receive training from your employer.
If you work as a security guard for the federal government, you must be trained to Canadian General Standards Board standards. People in other security/guarding occupations may also get training.
If you are required to carry a firearm, you need a gun licence.
To be an armoured car driver, you need a driver's licence.
With experience, you may move up the ranks to become a senior security guard or supervisor.
Many recent entrants have a community college diploma.
High School Diploma
Dealing with the public