An administrative control that is put in place to ensure one person cannot carry out a critical task independently is:

Question

Options

• Aseparation of duties
• Bjob rotation
• Cmandatory vacation
• Dleast privilege

• A
  93% (54)
• B
  2% (1)
• C
  3% (2)
• D
  2% (1)

Explanation

Separation of duties is the administrative control that divides a critical task across multiple individuals so that no single person can complete it alone - directly matching the definition in the question. This is a core fraud prevention and error detection mechanism (e.g., requiring both a requester and an approver for fund transfers). Job rotation (B) periodically moves employees between roles to reduce fraud risk and cross-train staff, but does not prevent any one person from completing a task independently. Mandatory vacation (C) forces employees to take leave so others can detect irregularities in their work, but again does not divide task authority. Least privilege (D) restricts access to only what is necessary for a role, but a single privileged user could still complete a task alone.

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