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AWS Certified Solutions Architect study material · question 333 of 500

Since January 2023, what encryption is applied to new object uploads to S3?

  1. SSE-KMS with a customer managed key
  2. SSE-C using a key supplied per request
  3. None, unless the bucket has default encryption configured
  4. SSE-S3 by default, at no extra charge
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Answer: D. SSE-S3 by default, at no extra charge

Every new object upload is encrypted with S3 managed keys by default, with no cost and no performance penalty.

Source: Using server-side encryption with Amazon S3 managed keys (S… (Amazon Web Services) — Using server-side encryption with Amazon S3 managed keys (SSE-S3)

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