JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech III CYBER SECURITY Previous Question Paper (February/March - 2022 - R16)

B.Tech | III | II | R16 | February/March - 2022

Answer PaperPaper Code: 136EUMaximum Marks: 75Time: 3 Hours

Answer any five questions

All questions carry equal marks

Main

1

Categorize various cybercrimes and demonstrate each of them that are prevailing in current trends.

15 marks

Answer

Cybercrimes are broadly categorized based on the target of the attack and the nature of the criminal activity. The primary categories include crimes against individuals, crimes against property, and crimes against the government.

  1. Crimes against Individuals: This category involves targeting specific persons to cause physical, mental, or financial harm. Current trends include Cyberstalking, where perpetrators use social media to harass victims, and Identity Theft, where personal data is stolen to commit fraud or access financial accounts.
  2. Crimes against Property: These involve the unauthorized access or destruction of digital assets. Notable examples include Ransomware, which encrypts a victim's data and demands payment for decryption, and Phishing, where attackers use deceptive emails or websites to steal credentials or sensitive corporate information.
  3. Crimes against Government: These are acts intended to destabilize national security or public infrastructure. A prominent trend is Cyber-terrorism, which involves attacks on critical infrastructure like power grids or banking systems, and State-sponsored Espionage, aimed at stealing classified intelligence or intellectual property.
  4. Financial Crimes: Often overlapping with other categories, these focus on monetary gain. Business Email Compromise (BEC) is a current major trend where attackers impersonate executives to trick employees into authorizing fraudulent wire transfers.

In the current landscape, these crimes are increasingly facilitated by AI-driven automation, which allows attackers to generate sophisticated deepfakes for social engineering or automate vulnerability scanning at scale, making these threats more persistent and difficult to detect.

215 marks
a

Explain how cyber stalking works in real life.

6 marks

Answer

Cyber stalking is the use of the internet or other electronic means to harass, threaten, or intimidate an individual. In real life, it typically follows a pattern of persistent monitoring and psychological manipulation:

  • Information Gathering: The stalker uses social media, public records, and search engines to collect personal details, location history, and contact information.
  • Monitoring: The stalker tracks the victim's online activity, including check-ins, tagged photos, and timestamps, to build a profile of their daily routine.
  • Harassment: This involves sending unwanted messages, creating fake profiles to contact the victim or their associates, or posting defamatory content to damage the victim's reputation.
  • Intimidation: The stalker may use threats of physical violence or release private information (doxing) to exert control and create a constant state of fear.
b

Draw a plan of cyber criminal for attacking and explain briefly.

9 marks

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315 marks
a

Explain about Botnets.

8 marks

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b

Demonstrate about various services provided by cloud computing.

7 marks

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415 marks
a

Explain about most popular kind of attacks against 3G mobile networks.

8 marks

Answer

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b

What are security challenges posed by mobile devices?

7 marks

Answer

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515 marks
a

What is DOS attack? What are its symptoms?

7 marks

Answer

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b

Write a short note on various types of DOS attacks.

8 marks

Answer

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615 marks
a

How to prevent SQL injection attack.

8 marks

Answer

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b

How to minimize buffer overflow.

7 marks

Answer

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715 marks
a

Write about challenges of organization for social computing.

8 marks

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b

What is impact of organizations by various cybercrimes?

7 marks

Answer

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815 marks
a

What are key challenges that are emerging new information threats to organization?

7 marks

Answer

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b

Explain briefly about cookies.

8 marks

Answer

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This page contains the solved question paper with answers of CYBER SECURITY from JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD for B.Tech CE III II, February/March - 2022, R16.

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