CS-503-C Cyber Security - Dec 2024 Question Paper

Under each question, How to answer lists the points an answer should cover, outlined by CampusPrep from the syllabus. Check the details against your textbook.

1. 7 Marks
   aExplain the term Cyber Crime. List down some important cyber crimes and explain each of them in two to three sentences.
   How to answer

   • Define cyber crime as crime involving computer/network as target/tool
   • List important crimes: hacking, phishing, spoofing, spamming, malware, identity theft, etc.
   • Explain each in 2-3 sentences with example
   • Distinguish computer as target vs tool
2. 7 Marks
   bDefine 'Spoofing' and 'Spamming' in detail. Describe types of spamming in cyber space and give some prevention mechanism regarding email spoofing.
   How to answer

   • Define spoofing and spamming in detail
   • Describe types of spamming in cyber space
   • Explain email spoofing techniques
   • Give prevention mechanisms: SPF, DKIM, filters, awareness
3. 7 Marks
   aWhat do you mean by 'Salami attack'? What are its adverse effect on economic structure of society explain with example?
   How to answer

   • Define Salami attack as small incremental fraud
   • Explain technique with rounding-off / penny-shaving example
   • Discuss adverse economic effects on banks, society
   • Give real example and countermeasures
4. 7 Marks
   bExplain the terms Password Sniffing and Session Hijacking.
   How to answer

   • Define password sniffing: capturing credentials on network
   • Define session hijacking: takeover of active session
   • Explain tools/methods: packet sniffer, MITM, session tokens
   • Mention prevention: encryption, HTTPS, VPN
5. 7 Marks
   aDiscuss the ways of classification of cyber crimes. Give suitable example for each crime in that particular class.
   How to answer

   • Discuss classification bases: against person, property, government
   • Explain each class with characteristics
   • Give suitable example for each crime in each class
   • Summarize with table of classes vs examples
6. 7 Marks
   bExplain defamation in the context of cyber crime. List down some important provision about cyber defamation mentioned in Indian penal code 1860.
   How to answer

   • Define defamation and cyber defamation
   • Explain how it occurs online: social media, email
   • List IPC 1860 provisions: Section 499, 500, 501, 502
   • Mention punishment and relevance to IT Act
7. 7 Marks
   aEnlighten Information Technology Act, 2000. What do you know about Indian Evidence Act, 1872?
   How to answer

   • Outline objectives and scope of IT Act, 2000
   • Discuss key chapters: digital signature, e-governance, offences
   • Explain Indian Evidence Act, 1872 basics
   • Relate admissibility of electronic records
8. 7 Marks
   bDiscuss the management of Electronic records.
   How to answer

   • Define electronic records under IT Act
   • Discuss retention, accessibility, security requirements
   • Explain roles of Controller, Certifying Authorities
   • Mention audit and legal validity aspects
9. 14 Marks
   Discuss the following attacks/crimes in detail.

   1. i)Email Abuse
   2. ii)Trojan Horses
   3. iii)Ransomware attack
   How to answer

   • Define Email Abuse with spam, phishing, harassment examples
   • Explain Trojan Horses: concealment, payload, propagation
   • Explain Ransomware: encryption, ransom demand, variants
   • Give prevention and mitigation for each
10. 7 Marks
    aDefine phishing. What are the major phishing activities performed by the cyber criminals recent days?
    How to answer

    • Define phishing and its principle
    • List major activities: spear phishing, vishing, clone phishing
    • Give recent examples targeting banks, UPI
    • Mention detection and prevention measures
11. 7 Marks
    bWhat do you understand by "Attack on web server"? Explain the steps taken to avoid web server hacking.
    How to answer

    • Define attack on web server: defacement, DoS, injection
    • Explain vulnerabilities exploited
    • List steps to avoid: patching, firewall, hardening
    • Mention monitoring, backup and access control
12. 7 Marks
    aGive a note on significance of digital signature. What are the pros and cons of digital signatures?
    How to answer

    • Define digital signature and working with PKI
    • Explain significance: authentication, integrity, non-repudiation
    • List pros: security, legal validity, efficiency
    • List cons: key management, cost, dependency
13. 7 Marks
    bWhat do you understand by term VIRUS and WORMS? Give definitions along with their types in detail.
    How to answer

    • Define VIRUS: replication needing host, and WORMS: self-propagating
    • Classify types: boot, file, macro viruses; network worms
    • Explain propagation and damage with examples
    • Mention detection and removal measures
14. 14 Marks
    Write short notes on any two of the following.

    1. i)Password Cracking
    2. ii)Nature of Criminality
    3. iii)Types of Hackers
    How to answer

    • For Password Cracking: methods, tools, countermeasures
    • For Nature of Criminality: intent, psychology, categories
    • For Types of Hackers: white, black, grey hat etc.
    • Conclude with prevention relevance for any two chosen