Ethics is the understanding of moral principles that govern human behavior and Professionalism is when someone displays professional conduct. When someone displays professional conduct, they act in a way that is expected of that specific professional. Security guards which display sound moral judgment and conduct themselves in a professional manner are generally well trained security guards. An ethical security guard would ensure that only people authorized to enter the space are allowed to gain access whereas an unethical one may allow unauthorized people in exchange for money. Ethical and professional security guards are important is because they are better and will provide a good experience to people interacting with them. These guards will have undergone proper training regarding their duties as well as regarding ethics and professional conduct. The company will also have their own codes of ethics and professional conduct which their guards must adhere to.