IS4670 CHAPTER 8 Understanding Information-Hiding Techniques

Question 1

1. Packet crafting and protocol bending are two ________ techniques.

Answer 1

Covert channel

Question 2

2. ________ can be modified to embed executable malware.

Answer 2

ADS

Question 3

3. The benefits of NTFS volumes far outweigh the potential risks of ADS, as long as system administrators are aware of streams and have the security tools to handle them.
   A. True
   B. False

Answer 3

True

Question 4

4. A ________ is software that prevents users from seeing all items or directories on a computer.

Answer 4

Rootkit

Question 5

5. Steganography is the science of extracting secret data from nonsecret data.
   A. True
   B. False

Answer 5

False

Question 6

6. Which of the following do attackers use to hide secret data in steganography?
A. Metadata 
B. Embedded file 
C. Carrier file 
D. Stego message

Answer 6

Carrier file

Question 7

7. Which of the following is another name for running a steganography algorithm?
A. Embedding 
B. Digital watermarking 
C. Extraction 
D. Packet crafting

Answer 7

Embedding

Question 8

8. With PKS, the sender and receiver share a secret key called the stego key. Only a possessor of the stego key can detect the presence of an embedded message.
   A. True
   B. False

Answer 8

True

Question 9

9. Steganography is another name for cryptography.
   A. True
   B. False

Answer 9

False

Question 10

10. Which of the following is not a steganographic embedding method?
    A. Simple embedding
    B. Least significant bit embedding
    C. Frequency domain embedding
    D. Digital watermarking
    E. Preservation of the original statistical properties

Answer 10

Digital watermarking

Question 11

11. Which of the following are examples of steganography software? (Select three.)
A. StegAlyzerAS 
B. MandelSteg 
C. EzStego 
D. Stegdetect
E. Snow
F. Stegbreak

Answer 11

MandelSteg

EzStego

Snow

Question 12

12. The only way to defeat steganography is to use steganalysis.
    A. True
    B. False

Answer 12

False

Question 13

13. Which of the following is not true of steganalysis?
    A. It involves separating cover messages from stego messages.
    B. It hides secret data within non-secret data.
    C. It is the process of detecting messages hidden using steganography.
    D. It often involves the use of statistical properties to look for abnormalities in files.

Answer 13

It hides secret data within non-secret data.

Question 14

14. ________ is the name for separating an embedded message from a stego message.

Answer 14

Extraction

Question 15

15. Which of the following are examples of steganalysis software? (Select three.)
A. StegAlyzerAS 
B. MandelSteg 
C. EzStego 
D. Stegdetect
E. Snow 
F. Stegbreak"

Answer 15

StegAlyzerAS

Stegdetect

Stegbreak”