5.1
Internet and World Wide Web
Understand the difference between the internet infrastructure and the websites and services available through it.
🌐 Topic 5
Internet & Security
Explore how the internet and World Wide Web work, how browsers retrieve pages and how cyber security protects users, systems and data.
Choose a lesson
Follow the sequence or jump directly to the internet or security concept you need.
5.2
Requesting and Retrieving Web Pages
Follow how a browser requests a page from a web server and receives the files needed to display it.
5.3
Purpose of a Web Browser
Explore how browsers interpret web code, display pages and provide tools for navigating the World Wide Web.
5.4
Digital Currency
Understand how digital currency is stored, transferred and recorded without using physical coins or notes.
5.5A
Cyber Security Threats
Identify common threats including malware, brute-force attacks, denial-of-service attacks and data interception.
5.5B
Phishing and Pharming
Compare deceptive messages and fake website redirection used to steal personal or financial information.
5.5C
Password Security
Learn how strong passwords, authentication and safe user behaviour help protect accounts and data.
5.5D
Firewalls and Proxy Servers
Understand how network traffic can be monitored, filtered and controlled to improve security and privacy.