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Security Aspects

CBSE · Class 12 · Computer Science

Complete topic list for Security Aspects in CBSE Class 12 Computer Science. Key concepts, sub-topics, and what to focus on for board exams.

42 questions20 flashcards5 concepts

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4 Topics · CBSE Class 12 Computer Science

Topics in Security Aspects

1

Threats and Prevention

  • Network security protects devices and data from illegitimate access or misuse
  • Threats exploit vulnerabilities in networks to cause harm or damage reputation
  • Complete isolation is not practical - connectedness brings security challenges
2

Malware Types and Characteristics

  • Malware = MALicious softWARE - any software designed to cause harm
  • Virus: Needs host program, requires human triggering, spreads by contact
  • Worms: Standalone programs, self-replicating, spread through networks automatically
3

Malware Distribution and Prevention

  • Distribution channels: Internet downloads, spam emails, removable devices, network propagation
  • Infection signs: pop-ups, browser changes, slow performance, unknown programs, file disappearance
  • Prevention measures: Use antivirus, avoid pirated software, regular updates, firewall protection
4

Antivirus and Detection Methods

  • Antivirus = Anti-malware software for detection, prevention, and removal
  • Signature-based detection: Uses Virus Definition File (VDF), requires regular updates
  • Sandbox detection: Tests files in virtual environment before execution

Key Concepts

Malware is malicious software designedAntivirus software protects computers from malwareHTTP transmits data in plain textCookies are small data files storedMajor threats include Denial of Service

Frequently Asked Questions

What are the important topics in Security Aspects for CBSE Class 12 Computer Science?
Security Aspects covers several key topics that are frequently asked in CBSE Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Security Aspects — CBSE Class 12 Computer Science?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All 13 chapters — CBSE Class 12 Computer Science Syllabus

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