Ricardo wants to send secret messages to a competitor company. To secure these messages, he uses a
technique of hiding a secret message within an ordinary message. The technique provides ‘security throughobscurity’.
What technique is Ricardo using?
A.
Steganography
B.
Public-key cryptography
C.
RSA algorithm
D.
Encryption
Explanation:
Steganography is the practice of concealing a file, message, image, or video within another file, message,
image, or video.
https://en.wikipedia.org/wiki/Steganography