What is the significance of enforcing confidentiality using encryption in DataPower services?

What is the significance of enforcing confidentiality using encryption in DataPower services?
A . Encryption is mainly used to increase the computational load on the gateway.
B . It ensures that data remains confidential, readable only by intended recipients.
C . Confidentiality is a cosmetic feature that does not impact actual data security.
D . Encryption makes the service less responsive, thus less likely to be attacked.

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Answer: B