CISM: Certified Information Security ManagerDemo

By Isaca · Question Mode

QuestionQ842

Information Security Program

A common limitation of email software packages that offer built-in message encryption is that the encryption:

  • A has an insufficient key length.
  • B cannot interoperate across product domains.
  • C cannot encrypt attachments.
  • D has no key-recovery mechanism.
Explanation

Built-in email-encryption implementations are often tied to a particular product’s encryption format and key-management infrastructure, so encrypted messages may not interoperate with users of different email products or domains.

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