Your company is planning to deploy Internet of Things (IoT) devices in its manufacturing facility to monitor production lines and environmental conditions. The deployment must comply with industry-specific regulations requiring data protection and privacy. Given the constraints of cost efficiency, scalability for future expansion, and the need for real-time data processing, what security requirements should you specify for these IoT workloads to ensure their security? Choose the BEST option that addresses secure communication, device authentication, and the ability to update device firmware to mitigate vulnerabilities.