Certified Ethical Hacker CEH · Free Practice Question Easy
Question 5
Which of the following type of threats did the Stuxnet attack rely on to cross an airgap between a business and an industrial control system network?
- A Directory traversal
- B Cross-site scripting
- C Removable media
- D Session hijacking
Reveal correct answer
Correct answer: C
Explanation
OBJ-7.2: Airgaps are designed to remove connections between two networks to create a physical segmentation between them. The only way to cross an airgap is to have a physical device between these systems, such as using a removable media device to transfer files between them. A directory traversal is an HTTP attack that allows attackers to access restricted directories and execute commands outside of the web server's root directory. Cross-Site Scripting (XSS) attacks are a type of injection in which malicious scripts are injected into otherwise benign and trusted websites. A session hijacking attack compromises the session token by stealing or predicting a valid session token to gain unauthorized access to the Web Server. A directory traversal, cross-site scripting, or session hijacking attack cannot by itself cross an airgap.Discussion
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