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 through obscurity.

What

technique is Ricardo using?

A. Steganography

B. Public-key cryptography

C. RSA algorithm

D. Encryption

Steganography is the practice of concealing a file, message, image, or video within another file, message, image, or video.

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