Computer Science for IGCSE & O level - Data Transmission (Section 8 - No. 39)
In the context of cryptography, what is meant by 'confidentiality'?
Ensuring that data is available when needed.
Preventing unauthorized disclosure of information.
Verifying the identity of the sender.
Ensuring the data has not been altered.
Giải thích
Confidentiality refers to keeping data secret.