Final answer:
The technician should first secure the server room, document the state of the server, and report the situation to their supervisor or the responsible data protection officer to handle any potential security incident according to data protection regulations.
Step-by-step explanation:
When a technician finds a backup server with its hard drives disconnected and the SATA data cables hanging outside the case, the first step should be to ensure the physical security of the equipment and patient data. Considering this is a health-related data scenario, it's crucial to adhere to data protection regulations such as HIPAA in the United States.
The technician should then document the current state of the server for any potential security incident reporting. Before reconnecting any equipment, the server room should be secured, and any unauthorised personnel should be prevented from entering. After ensuring physical security, the technician should report the situation to their supervisor or the responsible data protection officer immediately.
Once the incident is reported, further instructions should be awaited, which may involve an investigation to determine if a data breach occurred and the steps needed to safely restore the server's functionality while following organizational protocols for incident response.