Internet Safety Worksheet - GCSE - Intermediate

Internet Safety worksheet for Key Stage 4 / GCSE (Ages 14-16). Intermediate level computing practice, aligned to the UK National Curriculum. Print-ready with answer key included.

Computing•Key Stage 4 / GCSE (Ages 14-16)•Internet Safetyintermediate

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Understanding Internet Safety

Key Stage 4 / GCSE (Ages 14-16) - Intermediate Level

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Instructions: This worksheet will guide you through various aspects of internet safety, including recognising threats, understanding protocols, and learning how to protect your information online. Each activity is designed to deepen your understanding and help you apply what you've learned.

Identifying Cyber Threats

Read each scenario and identify the type of cyber threat described. Write your answer in the box provided.

1. A user receives an email that appears to be from their bank, asking for their login details.

2. A program on a computer starts encrypting files and demands payment to unlock them.

3. A website redirects users to a fake login page to steal their credentials.

Understanding Protocols

Match each internet protocol with its correct description. Draw lines to connect the pairs.

Draw a line to match each one

🌍

✉️

☁️

Simple Mail Transfer Protocol (SMTP)

File Transfer Protocol (FTP)

Hypertext Transfer Protocol Secure (HTTPS)

Exploring Encryption

Explain the difference between symmetric and asymmetric encryption. Use examples to support your explanation.

Describe the differences between symmetric and asymmetric encryption, including their uses and advantages. [6 marks]

Data Analysis: Internet Usage

Analyse the data in the table below and answer the questions that follow.

Day	Data Used (GB)	Time Spent (hrs)
Monday	3.5	4
Tuesday	4.2	5
Wednesday	3.8	4.5

1. Which day had the highest data usage?

2. Calculate the average time spent online per day.

3. What is the total data used over the four days?

Evaluating Internet Safety Measures

Write an essay discussing the effectiveness of different internet safety measures. Consider firewalls, antivirus software, and encryption.

Evaluate the effectiveness of internet safety measures such as firewalls, antivirus software, and encryption in protecting personal information online. [10 marks]

Recognising Social Engineering

For each example below, identify the type of social engineering attack. Write your answer in the box provided.

1. An attacker calls pretending to be from IT support to gain access to a user's computer.

2. A pop-up ad offers a free prize in exchange for personal information.

3. A fake tech support website asks for remote access to fix a non-existent problem.

Understanding IP Addressing

Explain the role of IP addressing in internet communication. Include examples of IPv4 and IPv6.

Discuss the importance of IP addressing in internet communication, highlighting the differences between IPv4 and IPv6. [5 marks]

Legislation and Internet Safety

Describe how the Computer Misuse Act and GDPR help protect users online. Provide examples in your explanation.

Explain the roles of the Computer Misuse Act (1990) and GDPR (2018) in safeguarding internet users. [8 marks]

Answer Key

Activity 1: Phishing ; Ransomware ; Pharming

Activity 2: HTTPS ; SMTP ; FTP

Activity 3: Symmetric encryption uses the same key for encryption and decryption; asymmetric uses a public and a private key. Examples: AES for symmetric, RSA for asymmetric.

Activity 4: Tuesday ; 4.75 hours ; 15.5 GB

Activity 5: Firewalls monitor and control incoming and outgoing network traffic; antivirus software detects and removes malicious software; encryption secures data by converting it into a code.

Activity 6: Pretexting ; Baiting ; Quid pro quo

Activity 7: IP addresses uniquely identify devices on a network, allowing communication. IPv4 uses 32-bit addresses, while IPv6 uses 128-bit addresses.

Activity 8: The Computer Misuse Act makes unauthorised access illegal; GDPR protects personal data privacy and security.