Final answer:
Including job rotation in security policies is primarily justified by its ability to make fraudulent activities harder to execute without detection, as it necessitates collusion between individuals, thereby increasing the security of the organization.
Step-by-step explanation:
The best justification for including job rotation in a company's standard security policies would be that it minimizes the risk of fraudulent activity going undetected by making it more difficult for a single malicious actor to operate without collusion. This strategy requires multiple personnel to be familiar with each role, increasing the likelihood that fraudulent activities would be detected when responsibilities are handed over to the next person. It also aids in the detection of inconsistencies or irregularities that may indicate security breaches or fraud. Job rotation does not only have security benefits; it can also help with succession planning and prevent single points of failure within an organization by ensuring that multiple employees are trained and capable of performing various essential roles.