Final answer:
The increased demand for security personnel is attributed to the growing concern over residential and commercial property protection, along with the evolving nature of security risks and advances in security technology.
Step-by-step explanation:
The demand for security personnel has increased primarily due to people becoming more concerned about their residential and/or commercial properties. Factors such as heightened awareness of security risks, technological advancements in security systems that require skilled operators, and broader economic trends contribute to the growing need for security services. In a world with evolving threats and increasing connectivity, the role of security personnel becomes even more critical in safeguarding assets and ensuring peace of mind for individuals and businesses alike.