After enabling encryption at rest on an existing DynamoDB table, what happens to the data that was already stored?

medium📝 query result Q4 of 15

DynamoDB - Security and Access Control

AThe table must be deleted and recreated to encrypt existing data

BExisting data remains unencrypted until manually re-encrypted

CExisting data is automatically encrypted without downtime

DEncryption only applies to new data written after enabling

Step-by-Step Solution

Solution:

Step 1: Understand DynamoDB encryption at rest behavior
When encryption at rest is enabled, DynamoDB transparently encrypts all data, including existing data.
Step 2: Confirm no manual action needed
No manual re-encryption or table recreation is required; encryption is seamless.
Final Answer:
Existing data is automatically encrypted without downtime -> Option C
Quick Check:
Encryption applies to all data immediately [OK]

Quick Trick: Encryption at rest encrypts all existing data automatically [OK]

Common Mistakes:

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