All of the above would be effective measures to protect subject privacy and data confidentiality.
Storing the laptop in a secure, locked environment when not using it would help prevent unauthorized access to the laptop and any data stored on it. Implementing multi-factor authentication would add an additional layer of security and prevent others from accessing the laptop.
Data encryption would also provide an additional layer of protection, ensuring that any data stored on the laptop remains secure even if the laptop is accessed. Finally, storing the data in a secure cloud environment would ensure that the data is not kept on the laptop, making it less vulnerable to attack.
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