_____ ensures security of data even if it lands in wrong hands, because the receiver of data will not be able to decode and interpret it.

Encryption

The correct answer is Option (2) → Encryption 

Encryptiion: Encryption essentially scrambles the information so as to make its interpretation extremely difficult (almost impossible). Thus, Encryption ensures security of data even if it lands in wrong hands, because the receiver of data will not be able to decode and interpret it.