A user works at a health insurance company.

The best method for ensuring a customer's personal information is kept confidential is to send it as an encrypted email. Encryption ensures that the data is securely transmitted and only accessible by the intended recipient. This is crucial in industries such as health insurance, where protecting sensitive personal information is a legal requirement under regulations like HIPAA (Health Insurance Portability and Accountability Act).

B. Putting it in a shared drive may expose the information to unauthorized access if permissions are not properly managed.

C. Printing it out introduces the risk of physical security breaches or loss of paper documents.

D. Putting it on a cloud document site could be secure but only if encryption and access control mechanisms are strictly enforced, which is not guaranteed in all cases.

References:

CompTIA Security+ Certification Guide

HIPAA Compliance Guidelines for IT Professionals