[Solved] What does encryption at rest mean in the context of Kafka? — Ans: Protecting stored Kafka data by making it unreadable without a key | Kafka

Kafka - Security

What does encryption at rest mean in the context of Kafka?

AEncrypting data while it is being sent between Kafka brokers

BProtecting stored Kafka data by making it unreadable without a key

CCompressing Kafka messages to save disk space

DAuthenticating users before they access Kafka topics

Step-by-Step Solution

Solution:

Step 1: Understand encryption at rest
Encryption at rest means data stored on disk is encrypted to prevent unauthorized reading.
Step 2: Differentiate from other security concepts
Encryption in transit protects data moving between systems, not stored data.
Final Answer:
Protecting stored Kafka data by making it unreadable without a key -> Option B
Quick Check:
Encryption at rest = Protect stored data [OK]

Quick Trick: Encryption at rest means stored data is unreadable without keys [OK]

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