What must security officers maintain regarding their conduct while on duty?

Security officers are expected to maintain professionalism and adhere to ethical standards while on duty, as this ensures their actions reflect positively on themselves, their employer, and the profession as a whole. Professionalism involves being competent, reliable, and respectful, which helps to instill trust and confidence from the public and other professionals. Adhering to ethical standards is crucial because security personnel often face situations that require sound judgment and moral integrity. This commitment to professionalism and ethics ultimately contributes to the safety and security of the environment they are responsible for.

Other options do not adequately capture the comprehensive approach required for security officers. Flexibility in actions, while important in certain situations, does not replace the need for a foundational level of professionalism. A casual demeanor may help build rapport but is not a necessary component of effective security work; maintaining a serious and professional presence is often more important. Compliance with written orders is vital, but it should not be the sole focus; officers must also exhibit an overall standard of conduct that includes ethical behavior and professionalism in all aspects of their duties.