Network Security Topic 9

What is the technique of hiding a secret message within publicly available data called?

• Steganography

• Cryptography

• Watermarking

• Encoding

What was one of the earliest examples of steganography?

• Tattooing a message on a slave's head

• Invisible ink

• Microdots

• Digital watermarking

What is the main difference between steganography and a Trojan horse?

• Steganography hides messages, Trojan horses run programs

• Both are the same

• Trojan horses hide messages

• Steganography is illegal

What is the purpose of using steganography in military activities?

• To hide messages

• To send clear messages

• To confuse enemies

• To communicate openly

What is an Easter egg in the context of software?

• A hidden feature in software

• A type of malware

• A programming error

• A user interface element

How does steganography differ from cryptography?

• Steganography hides the existence of data

• Cryptography encrypts data

• Both are the same

• Steganography is more secure

What is the main goal of survivability in steganography?

• To ensure data can be extracted

• To hide data effectively

• To prevent data modification

• To ensure data is visible

What is the purpose of digital watermarking?

• To prove authenticity

• To hide data

• To encrypt information

• To modify images

What is a characteristic of steganography compared to digital watermarking?

• Hides as much data as possible

• Only embeds a small amount of data

• Is easy to detect

• Is easy to remove

What is the main goal of digital watermarking?

• To prove ownership

• To hide information

• To encrypt data

• To modify images