Which of the following should raise suspicion in the workplace?

The action of a person trying to access a prohibited area should indeed raise suspicion in the workplace. This behavior indicates a possible intent to breach security protocols or engage in unsafe practices. Access to restricted areas is usually controlled for safety, confidentiality, or operational integrity reasons. Employees are generally trained to recognize that unauthorized entry can pose risks not only to the individual attempting to enter but also to the entire workforce, as it may indicate potential security threats or unsafe conditions.

In a workplace setting, alertness towards individuals attempting to access restricted areas is crucial for maintaining safety and security standards. This vigilance helps ensure that all personnel can perform their jobs in a secure environment, free from potential hazards introduced by unauthorized individuals.