A healthcare clinic uses IoT wearables to monitor patients' vital signs remotely. The IT department is tasked with ensuring the security of patient data collected by these devices. Which of the following actions is MOST effective in preventing unauthorized access to the stored health data on these IoT wearables?
Disable unnecessary services and features on the IoT devices.
Encrypt the data on the wearables.
Implement a firewall on the network to which the wearables connect.
Regularly change the Wi-Fi password of the network the wearables connect to.
Encrypting data on the devices is the most effective measure to protect the stored information because it ensures that even if the device is lost or stolen, the patient data remains inaccessible without the appropriate decryption key. Regularly changing Wi-Fi passwords, while a good security practice, does not directly protect the data on the devices themselves. Implementing a firewall protects against network-based attacks but would not prevent access to data if the device is compromised. Disabling unnecessary services reduces the attack surface but would not protect the data that is already on the device.
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