Cyber Security Unit 3 Handwritten Notes AKTU (BCC301)

Unit 3: Tools and Methods Used in Cybercrime – AKTU syllabus topics

• Proxy Servers and Anonymizers
• Phishing and Identity Theft: Introduction to Phishing, Identity Theft
• Password Cracking Techniques
• Malware Viruses Worms Trojans: Keyloggers and Spywares, Virus Worms and Backdoors, Steganography
• DoS and DDoS Attacks
• SQL Injection and Buffer Overflow
• Attacks on Wireless Networks

Most asked AKTU PYQ questions from Unit 3

1. Q2c. Analyze Steganography as a tool in cybercrime. How does it differ from cryptography? (7 marks, 2024-25)
2. Q5a. Describe the process and impact of SQL Injection and Buffer Overflow attacks on web applications. (7 marks, 2024-25)
3. Q2c. Explain Trojan horses and backdoors with suitable examples. (7 marks, 2025-26)
4. Q5a. Describe steganography and its applications in cybercrime. (7 marks, 2025-26)
5. Q5b. Describe buffer overflow attacks and their consequences. (7 marks, 2025-26)
6. Q5a. Describe the methods used to exploit buffer overflows. (7 marks, 2024-25)
7. Q5b. What is Identity Theft? How is it related to phishing and what are the preventive measures? (7 marks, 2024-25)
8. Q5b. What is steganography. Explain in detail. (7 marks, 2023-24)
9. Q2c. What is steganography, and how is it used to conceal information? (7 marks, 2023-24)
10. Q5b. What is an SQL injection attack, and how does it exploit vulnerabilities in web applications? (7 marks, 2023-24)

Other Cyber Security units

• Unit 1 Handwritten Notes
• Unit 2 Handwritten Notes
• Unit 4 Handwritten Notes
• Unit 5 Handwritten Notes

Cyber Security previous year papers

• PYQ 2025-26
• PYQ 2024-25
• PYQ 2023-24

More Cyber Security resources

• Notes: Unit 1 Notes
• Notes: Unit 2 Notes

Cyber Security exam preparation

• Cyber Security Unit 3 Important Questions
• Cyber Security Unit 3 PYQ
• Cyber Security Important Topics
• Cyber Security Predicted Paper