A company wants to review the security requirements of Glacier. Which of the below mentioned statements is true with respect to the AWS Glacier data security?
A.
The user can set the serverside encryption flag to encrypt the data stored on Glacier.
B.
All data stored on Glacier is protected with AES-256 server-side encryption.
C.
All data stored on Glacier is protected with AES-128 server-side encryption.
D.
The data stored on Glacier is not encrypted by default.
Suggested Answer:B🗳️
For Amazon Web Services, all the data stored on Amazon Glacier is protected using serverside en-cryption. AWS generates separate unique encryption keys for each Amazon Glacier archive, and en-crypts it using AES-256. The encryption key then encrypts itself using AES-256 with a master key that is stored in a secure location. Reference: https://aws.amazon.com/glacier/faqs/
AWS Glacier automatically encrypts all data at rest using AES-256 server-side encryption. This encryption is applied before the data is stored in Glacier and ensures the security and confidentiality of the stored data. It provides a strong level of encryption to protect against unauthorized access or data breaches.
Letter B is correct. https://docs.aws.amazon.com/amazonglacier/latest/dev/DataEncryption.html.
"Data at rest stored in S3 Glacier is automatically server-side encrypted using 256-bit Advanced Encryption Standard (AES-256) with keys maintained by AWS. If you prefer to manage your own keys, you can also use client-side encryption before storing data in S3 Glacier. For more information about how to setup default encryption for Amazon S3, see Amazon S3 Default Encryption in the Amazon Simple Storage Service User Guide."
B
Data at rest stored in S3 Glacier is automatically server-side encrypted using 256-bit Advanced Encryption Standard (AES-256) with keys maintained by AWS.
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