What is necessary for USB device safety according to the outlined protections?

The necessity for training personnel on risks is crucial in ensuring USB device safety. Employees are often the first line of defense against security threats, including those posed by malicious USB devices. By providing comprehensive training, staff can become aware of the potential dangers associated with using USB devices, including the risks of malware, data theft, and unauthorized data access.

This knowledge empowers users to make informed decisions about which devices to connect to their systems and how to handle them safely. Moreover, training can cover policies regarding the acceptable use of USB devices, thereby promoting a culture of security within the organization.

In contrast, the other options lack a focus on safety and security protocols. Connecting any device without discrimination could lead to the introduction of harmful software, disabling encryption undermines the protection of data, and allowing personal and business USBs to mingle creates a situation where sensitive data could easily be exposed to threats. Thus, proper training stands out as the most effective measure for maintaining USB device safety.