Which security practice helps detect potential fraud or inappropriate activities by temporarily shifting an employee's duties to another individual during their absence?

The concept of temporarily shifting an employee's duties to another individual during their absence is known as a mandatory vacation policy. This practice is specifically designed to help detect potential fraud or inappropriate activities by ensuring that an employee's work is reviewed and reassessed in their absence. By requiring employees to take time off, organizations can identify any irregularities or problematic behaviors that may not be evident while the individual is present.

When employees are away, their responsibilities are reassigned to others, who can evaluate the work and system access of the absent employee. This provides an opportunity to uncover any misconduct, such as fraudulent activities that may have been hidden while the individual was actively managing their responsibilities. This practice also makes it less likely that an employee can maintain a facade of compliance or cover up inappropriate actions when someone else steps into their role.

In contrast, the other options do not specifically address the detection of fraud in the same manner. For instance, least privilege focuses on limiting user access to only those systems and data necessary for their job functions, which helps in minimizing potential abuse but does not inherently provide a mechanism for detecting wrongdoing. Email protection refers to safeguarding communications and data from unauthorized access or malware, while auditing requirements involve reviewing logs and records but do not directly incorporate the strategy of