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GIAC Exam GCIH Topic 5 Question 10 Discussion

Actual exam question for GIAC's GCIH exam
Question #: 10
Topic #: 5
[All GCIH Questions]

Victor works as a professional Ethical Hacker for SecureEnet Inc. He has been assigned a job to test an image, in which some secret information is hidden, using Steganography. Victor performs the following techniques to accomplish the task:

1. Smoothening and decreasing contrast by averaging the pixels of the area where significant

color transitions occurs.

2. Reducing noise by adjusting color and averaging pixel value.

3. Sharpening, Rotating, Resampling, and Softening the image.

Which of the following Steganography attacks is Victor using?

Show Suggested Answer Hide Answer
Suggested Answer: B

by Lawrence at Jan 25, 2024, 07:48 PM

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Dominga
1 months ago
I'm going to go with 'Chosen-Stego Attack' for this one. Victor seems to be purposefully trying to extract the hidden information, rather than just passively detecting it.
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Mona
1 months ago
Haha, Victor's like a secret agent, trying to uncover that hidden message! I bet he's having fun with all those image manipulation techniques. Just don't get too carried away, dude!
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German
15 days ago
C) Steg-Only Attack
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Leonida
16 days ago
B) Chosen-Stego Attack
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Una
19 days ago
A) Stegdetect Attack
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Sanjuana
2 months ago
Reducing noise, sharpening, and softening the image? Sounds like Victor is really trying to enhance the image to get a better look at that hidden data. I'll guess 'Steg-Only Attack' for this one.
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Lenny
11 days ago
Yes, reducing noise and sharpening the image can help reveal hidden data.
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Elizabeth
15 days ago
I agree, he seems to be focusing on enhancing the image.
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Jamey
1 months ago
I think Victor is using the Steg-Only Attack.
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Maryann
2 months ago
Hmm, I'm not sure which attack this is. The options sound a bit like multiple choice exam questions. Time to brush up on my Steganography knowledge!
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Natalya
5 days ago
D) Active Attacks
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Lura
6 days ago
C) Steg-Only Attack
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Toshia
7 days ago
B) Chosen-Stego Attack
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Veronika
1 months ago
A) Stegdetect Attack
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Sherita
2 months ago
Wow, Victor seems to be doing a thorough job with those Steganography techniques. I bet he's going to find that hidden information in no time!
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Kris
2 months ago
I'm not sure, but I think it could also be the Steg-Only Attack based on the methods Victor mentioned.
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Catalina
2 months ago
I agree with Silva, the techniques Victor used align with the Chosen-Stego Attack.
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Silva
2 months ago
I think Victor is using the Chosen-Stego Attack.
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Carmen
2 months ago
I agree with Keith, Victor's techniques seem more aligned with Chosen-Stego Attack.
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Keith
2 months ago
I believe Victor is actually using Chosen-Stego Attack.
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Isidra
3 months ago
I think Victor is using Steg-Only Attack.
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