Which of the following is a key responsibility of a security guard?

A key responsibility of a security guard is to enforce company policies consistently. This involves ensuring that all rules and regulations established by the organization are adhered to, which is vital for maintaining a safe and secure environment. By enforcing policies, security personnel help mitigate risks and prevent incidents, ensuring that security protocols are followed accurately. This responsibility often involves monitoring access points, conducting routine checks, and addressing any violations directly and appropriately.

The other options involve duties that fall outside the typical scope of a security guard's role. Managing all employees usually falls under human resources or managerial staff, providing maintenance assistance is the purview of facilities personnel, and overseeing financial transactions involves accounting or financial management. Each of these responsibilities requires specific skills and expertise that are not generally attributed to the role of a security guard.