# Cambridge IGCSE™ Computer Science (0478 / 0984): Section 5: The Internet & Security

> Internet vs World Wide Web, URL architecture, HTTP/HTTPS protocols, web browsers, cookies, blockchain & digital currencies, cyber security threats (malware, phishing, pharming, DoS), and defensive solutions (firewalls, proxy servers, SSL/TLS, 2FA).

- **Track:** [Cambridge IGCSE™ Computer Science (0478 / 0984)](https://csmasters.dev/tracks/igcse-0478.md) (CAMBRIDGE IGCSE 0478)
- **Module:** Section 5: The Internet & Security
- **Total Lessons:** 8
- **URL:** https://csmasters.dev/tracks/igcse-0478/course_modules/5-the-internet-and-its-uses

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## Module Lessons

### Lesson 1: [5.0 Module Overview: The Internet & its Uses](https://csmasters.dev/learn/igcse-0478/the-internet-and-its-uses-overview.md)
- **Estimated Duration:** 5 mins
- **XP Reward:** 5 XP
- **Access Level:** Open Theory (All-Access Practice)
- **HTML Link:** https://csmasters.dev/learn/igcse-0478/the-internet-and-its-uses-overview

### Lesson 2: [The Internet & World Wide Web (IP & MAC Addresses)](https://csmasters.dev/learn/igcse-0478/the-internet-and-world-wide-web.md)
- **Estimated Duration:** 15 mins
- **XP Reward:** 90 XP
- **Access Level:** Open Theory (All-Access Practice)
- **HTML Link:** https://csmasters.dev/learn/igcse-0478/the-internet-and-world-wide-web

### Lesson 3: [HTTP, HTTPS & Web Page Retrieval](https://csmasters.dev/learn/igcse-0478/http-https-and-web-retrieval.md)
- **Estimated Duration:** 15 mins
- **XP Reward:** 95 XP
- **Access Level:** Open Theory (All-Access Practice)
- **HTML Link:** https://csmasters.dev/learn/igcse-0478/http-https-and-web-retrieval

### Lesson 4: [Web Browsers & Cookies](https://csmasters.dev/learn/igcse-0478/web-browsers-and-cookies.md)
- **Estimated Duration:** 15 mins
- **XP Reward:** 90 XP
- **Access Level:** Open Theory (All-Access Practice)
- **HTML Link:** https://csmasters.dev/learn/igcse-0478/web-browsers-and-cookies

### Lesson 5: [Digital Currency and Blockchain](https://csmasters.dev/learn/igcse-0478/digital-currency-and-blockchain.md)
- **Estimated Duration:** 10 mins
- **XP Reward:** 60 XP
- **Access Level:** Open Theory (All-Access Practice)
- **HTML Link:** https://csmasters.dev/learn/igcse-0478/digital-currency-and-blockchain

### Lesson 6: [Digital Cyber Threats & Malware](https://csmasters.dev/learn/igcse-0478/digital-cyber-threats.md)
- **Estimated Duration:** 15 mins
- **XP Reward:** 90 XP
- **Access Level:** Open Theory (All-Access Practice)
- **HTML Link:** https://csmasters.dev/learn/igcse-0478/digital-cyber-threats

### Lesson 7: [Security Defences: Firewalls, Proxies & SSL/TLS](https://csmasters.dev/learn/igcse-0478/security-defences-and-firewalls.md)
- **Estimated Duration:** 15 mins
- **XP Reward:** 90 XP
- **Access Level:** Open Theory (All-Access Practice)
- **HTML Link:** https://csmasters.dev/learn/igcse-0478/security-defences-and-firewalls

### Lesson 8: [Mixed Practice: Internet and Security](https://csmasters.dev/learn/igcse-0478/internet-review.md)
- **Estimated Duration:** 20 mins
- **XP Reward:** 30 XP
- **Access Level:** Open Theory (All-Access Practice)
- **HTML Link:** https://csmasters.dev/learn/igcse-0478/internet-review