Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
ME SEMESTER II • EXAMINATION SUMMER 2018
Subject Code: 2725602 Date:22/05/2018
Subject Name: Cyber Security
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1
Define Cyber Crime, Cyber Security and Cyber Forensics. Differentiate between Authentication and Authorization. Crime and Unauthorized Activity.
07
Define following terms
1. Cyber Stalking 2. Software Piracy 3. Key Logger 4. Salami Attack
5. Backdoors 6. Web Jacking 7.Cyber Defamation
07
Q.2
Explain different types of cyber crimes against Organization.
07
Discuss E-Mail based crime investigation scenario with investigation steps need to perform to Investigate the crime.
07
OR
Elaborate any real world case of credit-card fraud with the applicable laws and intended users' motivation.
07
Q.3
Explain firewall with its Types and Limitations.
07
Explain the role of Evidence in forensic investigation with types and rules of digital evidences.
07
OR
Q.3
Explain the forensic investigation life cycle with diagram.
07
Explain the concept of Chain of Custody in forensic investigation process.
07
Q.4
What do you mean by obfuscation? Write a short note on obfuscation techniques.
07
Explain Privilege Escalation with the concept of Token Kidnapping.
07
OR
Q.4
What is "Root-kits"? Explain root-kits with its goals and types in brief.
07
Explain DLL Injection in Detail with its adverse effects.
07
Q.5
Write a short note on "Cyber Conflict Issues"
07
What is Steganography? Write difference between Steganography and Cryptography.
07
OR
Q.5
Write a short note on "Cyber User Issues"
07
What is Non-Repudiation? Explain how digital signature can preserve it.
07