Key rotation is the practice of which action?

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Study for the WGU ITAS 2142 D830 Introduction to Cryptography Exam. Review flashcards and multiple choice questions with hints and explanations. Get ready for your exam!

Multiple Choice

Key rotation is the practice of which action?

Explanation:
Key rotation is the practice of periodically replacing cryptographic keys. This reduces the impact if a key is compromised and limits how much data is encrypted with a single key, improving security hygiene. In practice, new data is encrypted with fresh keys while older keys are retained long enough to decrypt existing data that was encrypted with them. This concept is distinct from general data protection, steganography, or tokenization, which are different techniques unrelated to changing encryption keys over time.

Key rotation is the practice of periodically replacing cryptographic keys. This reduces the impact if a key is compromised and limits how much data is encrypted with a single key, improving security hygiene. In practice, new data is encrypted with fresh keys while older keys are retained long enough to decrypt existing data that was encrypted with them. This concept is distinct from general data protection, steganography, or tokenization, which are different techniques unrelated to changing encryption keys over time.

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