A company's IT department is tasked with protecting sensitive client data stored on their servers. To minimize the risk of unauthorized data exposure, the department needs to implement a solution that ensures the data is unreadable without the proper decryption key, even if it falls into the wrong hands. Which method should be used to secure the data on these servers?
Implementing file-level encryption for each client record individually
Full-Disk Encryption
Using database encryption for only the tables with sensitive client data
Encrypting the email communications containing client data
Full-Disk Encryption (FDE) is the method designed to encrypt the entire disk drive, ensuring that all data on the drive is protected against unauthorized access and is unreadable without the correct decryption key. This is crucial for minimizing risks such as data theft, especially if the physical servers are compromised. Implementing file-level encryption could leave system files or temporary files unencrypted, which might still contain sensitive information. Database encryption could protect the contents of the database, but would not protect against threats at the file system or OS level. Encrypting email communications would not protect data at rest on the servers.
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