Certified Ethical Hacker (CEH v10) — Question 118

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?

Answer options

• A. Encryption
• B. Steganography
• C. RSA algorithm
• D. Public-key cryptography

Correct answer: B

Explanation

Ricardo is using steganography, which specifically involves hiding a secret message within another message, thus providing security through obscurity. Encryption, on the other hand, transforms a message into a secure format but does not necessarily hide its presence. The RSA algorithm and public-key cryptography are forms of encryption that do not involve hiding messages within other messages.