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CompTIA Security+ study material · question 544 of 611

What is the trade-off of escrowing an encryption key?

  1. It preserves access when a holder is unavailable but creates a second copy needing equal protection
  2. It requires the key to be exportable from hardware
  3. It prevents the key from being used for signing
  4. It shortens the key's cryptoperiod
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Answer: A. It preserves access when a holder is unavailable but creates a second copy needing equal protection

Availability improves and the attack surface grows, which is why escrow storage is itself a controlled system.

Source: OWASP Key Management Cheat Sheet (OWASP) — OWASP Key Management Cheat Sheet › Key Escrow

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