Unit 1: Introduction to Cyber Security, Cyberspace & Threats — Introduction to Cyber Security

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Introduction to Cyber Security, Cyberspace & Threats

Official MJPRU BCA Unit 1: Introduction to Cyber Security, Cyberspace & Threats for BCA-431E (Introduction to Cyber Security).

Syllabus Topics:Introduction to Cyber Security: Definition, Scope, Need for Security in Digitized Society & Economic ImpactsConcept of Cyberspace: Architecture, Virtual Interconnected Environments, Cyber Ecosystem Components & InfrastructureEvolution of Cyber Crimes and Cyber Attacks: Historical Trajectory, Hobbyist Hackers to State-Sponsored Advanced Persistent Threats (APTs)Fundamental Security Concepts: Assets, Threats, Vulnerabilities, Exploits, Risks & Attack SurfacesThreat Modeling: STRIDE Model (Spoofing, Tampering, Repudiation, Information Disclosure, Denial of Service, Elevation of Privilege)The Fundamental Security Triad: Confidentiality (Privacy, Secrecy), Integrity (Data Authenticity, Non-Alteration) & Availability (Reliable Access)Authentication and Non-Repudiation: Identity Verification Factors (Something You Know, Have, Are) & Digital Evidence IntegrityAccess Control Principles: Subject, Object, Principle of Least Privilege, Separation of Duties & Defense in DepthCategories of Cyber Criminals: Script Kiddies, Cyber Insiders, Hacktivists, Organized Cyber syndicates & Nation-State ActorsClassification of Vulnerabilities: Common Vulnerabilities and Exposures (CVE), CVSS Scoring System, Zero-Day ExploitsOverview of Malicious Software (Malware): Viruses, Worms, Trojan Horses, Spyware, Adware, Ransomware & RootkitsSocial Engineering Attacks: Phishing (Spear, Whaling), Pretexting, Baiting, Vishing, Smishing & Human Exploitation Vectors

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Introduction to Computers & The IPO Cycle

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Topic 1 · The foundation of modern computing

Introduction to Computers & The IPO Cycle

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Ready to master this concept? Give it a quick read & tap the check!

💡 The Big Picture:A computer is an electronic system that takes raw data as Input, processes it under programmed logic, and produces meaningful Information as Output.

🍪 Everyday Analogy:Think of baking cookies: Flour & Sugar (Input) ➔ The Oven (Processing) ➔ Warm Delicious Cookie (Output)! 🍪

Key Exam Takeaways

·Data = Raw, unprocessed facts without context (e.g. 42, 'apple').
·Information = Structured data with meaning (e.g. 'Temperature: 42°C').
·Hardware is what you can touch; Software is the instructions running inside.

Instant Knowledge Check

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Which of the following represents unprocessed raw facts?

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