Cyber Security — Winter 2025

What are keyloggers and spyware? Explain their role in cybercrime.

Explain how Trojans and backdoors are used by attackers to compromise systems.

Explain what SQL Injection is. Describe How it works, Describe techniques used to prevent SQL Injection attacks.

What is the purpose of web application vulnerability scanning?

What is OpenSSL? Explain its uses in securing communications.

Explain the working principles of the following tools: John the Ripper, L0phtCrack, Pwdump, and HTC‑Hydra.

What is DVWA? Explain its purpose in web security training. Describe any three vulnerabilities featured in DVWA.

Explain the role and importance of SQLMap in Cyber Security.

What are the key characteristics used to filter network traffic in packet filtering firewalls?

What is Network Address Translation (NAT)? Explain its types with suitable diagrams.

What is a Firewall? Explain its types and how it helps in securing a network.

Differentiate between Stateless and Stateful Firewalls.

What is Snort? Explain how Snort works as a Network Intrusion Detection System (NIDS).

Write Features of cyberspace that promote criminal behavior.

Explain various types of cybercrime with suitable examples.

Explain the concept of data contaminants and methods of data destruction in cyberspace. Provide suitable examples. Page 1 of

Discuss the role of the Information Technology Act, 2000 in combating cybercrime in India.

Define contemporary cybercrimes. Explain their impact on society and legal systems.

Discuss in detail the various realms of the cyber world.

Define network sniffer and injection tool with one example each.

What is network reconnaissance? Explain its types and significance in the context of cybersecurity.

Explain SQL injection tools in brief.

What is WinRelay? How does it differ from Fpipe in functionality and usage?

Compare Tcpdump and Windump.

Describe the key components of OpenVAS and their roles. Page 2 of