JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD MCA ETHICAL HACKING Previous Question Paper (August - 2017 - R09)
Answer any five questions
All questions carry equal marks
Main
What are the online scams? Explain them.
Answer
Online scams are fraudulent schemes conducted over the internet to deceive individuals or organizations into revealing sensitive information or transferring money. Common types include:
- Phishing: Attackers send deceptive emails or messages masquerading as legitimate entities to steal login credentials, credit card numbers, or personal data.
- Advance-Fee Fraud: Scammers promise a large reward or inheritance in exchange for an upfront payment, which is never returned.
- Online Shopping Scams: Fake websites or listings offer products at heavily discounted prices but fail to deliver the goods after payment.
- Tech Support Scams: Fraudsters pose as IT professionals, claiming a user's computer is infected with malware to trick them into paying for unnecessary software or remote access.
- Investment Scams: Promises of high returns with low risk, often involving cryptocurrencies or fake trading platforms, designed to drain victim accounts.
Discuss about creating a security evaluation plan.
Answer
Creating a security evaluation plan is a structured approach to identifying, assessing, and mitigating vulnerabilities within an information system. The process involves the following key steps:
- Define Scope and Objectives: Clearly identify the assets, networks, and systems to be evaluated. Establish the boundaries of the assessment and the specific goals, such as compliance verification or threat detection.
- Information Gathering: Collect documentation, network diagrams, and system configurations to understand the environment's architecture and potential attack surfaces.
- Vulnerability Identification: Utilize automated scanning tools and manual inspection techniques to detect weaknesses, misconfigurations, and outdated software.
- Risk Analysis: Evaluate the identified vulnerabilities based on their severity, the likelihood of exploitation, and the potential impact on business operations.
- Reporting and Remediation: Document all findings in a comprehensive report, prioritizing risks based on severity. Propose actionable remediation steps and timelines for patching or policy changes.
- Post-Evaluation Review: Verify that implemented controls effectively address the identified vulnerabilities and ensure the security posture has improved.
Discuss the following:
Types of DNS records
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URL obfuscation.
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Explain about Nmap command switches.
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Give an overview of war-dialing technique.
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Discuss about Null sessions and SNMP enumerations.
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Explain the Trojan-Evading techniques.
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Discuss about active and passive sniffing.
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State and explain various sniffing counter measures.
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What are the types of DoS attacks? Discuss about DDoS attacks.
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State and explain the various attacks against web servers.
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Write brief notes on SQL injection.
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Write short notes on the following:
Prevention of session hijacking
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Patch Management techniques
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Penetration testing methodologies.
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