Source: https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/2-3-5-malware

[Revision notes](https://senecalearning.com/en-gb/revision-notes.md) › [Primary](https://senecalearning.com/en-gb/revision-notes/primary.md) › [Computer Science](https://senecalearning.com/en-gb/revision-notes/primary/computer-science.md) › [Computing: Year 5 & 6 National Curriculum](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum.md) › Malware

# Malware

Computing: Year 5 & 6 National Curriculum, topic 2.3.5

## More Malware

Malware is a program that is written to cause harm.

### Trojan horse

![Trojan horse](https://image-v2.cdn.app.senecalearning.com/2025-07/c818615e-bc79-414b-afb5-3d7ec29d6591/45e8806d-4c87-40a5-bd2c-09daaaef2240.png)

- A Trojan horse is a virus that looks like proper software.
- A Trojan horse can do damage. 
- A Trojan horse can access personal information without the user knowing.

### Software

![Software](https://image-v2.cdn.app.senecalearning.com/2025-07/851ca0b7-51cb-450a-af35-cd5f6a99d2ce/0295fa18-8476-4a71-a11c-7840b852c635.png)

- Do NOT download any software or apps without asking a trusted adult.

### Phishing

![Phishing](https://image-v2.cdn.app.senecalearning.com/2025-07/04cdd93e-1a7b-46d9-b4a3-8d76a3dade89/33c18f58-7f9f-4f7e-884f-a6cd2af62126.png)

- 'Phishing' is when a website or email appears to be from a reliable website but is not.
- Some emails and sites look real, but are ‘phishing’ for personal information.

### Be careful!

![Be careful!](https://image-v2.cdn.app.senecalearning.com/2025-07/bde62387-f905-41f5-8436-144c904cb5a9/cd62bf8c-3d05-4304-9415-476c41db3dcf.png)

- The information gained through 'phishing' is often used illegally.
- Do NOT give out any personal information online.

## Test yourself on Malware

- What is the name of a virus that looks like proper software?
- What is it called when a website or email appears to be from a reliable website but is not?

[Practise this topic for free](https://app.senecalearning.com/classroom/course/19eff8d0-37ca-47d8-89d9-9810d0f53c27/section/7cee3224-4346-467f-94d3-81e19cb283f6/session)

- Previous topic: [2.3.4 Viruses](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/2-3-4-viruses.md)
- Next topic: [2.3.6 People Online](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/2-3-6-people-online.md)

## Computing: Year 5 & 6 National Curriculum contents

### 1 Using Computers
- 1.1 Computers as a Tool
  - [1.1.1 Uses of Computers](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/1-1-1-uses-of-computers.md)
  - [1.1.2 More Uses of Computers](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/1-1-2-more-uses-of-computers.md)
  - [1.1.3 Advantages of Information Technology](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/1-1-3-advantages-of-information-technology.md)
  - [1.1.4 More Advantages of Information Technology](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/1-1-4-more-advantages-of-information-technology.md)
- 1.2 Data
  - [1.2.1 Storing Data](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/1-2-1-storing-data.md)
  - [1.2.2 Databases](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/1-2-2-databases.md)
  - [1.2.3 Sorting & Filtering Data](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/1-2-3-sorting-and-filtering-data.md)
  - [1.2.4 Interrogating Data](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/1-2-4-interrogating-data.md)
- 1.3 Plagiarism & Illegal Sharing
  - [1.3.1 Plagiarism](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/1-3-1-plagiarism.md)
  - [1.3.2 Copyrighted Content](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/1-3-2-copyrighted-content.md)

### 2 Networks & the World Wide Web
- 2.1 Networks
  - [2.1.1 Parts of Networks](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/2-1-1-parts-of-networks.md)
  - [2.1.2 The Internet](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/2-1-2-the-internet.md)
  - [2.1.3 The World Wide Web](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/2-1-3-the-world-wide-web.md)
- 2.2 Searching Online
  - [2.2.1 Searching the World Wide Web](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/2-2-1-searching-the-world-wide-web.md)
  - [2.2.2 Searching Tips](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/2-2-2-searching-tips.md)
  - [2.2.3 Reliable Information](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/2-2-3-reliable-information.md)
- 2.3 Protecting Yourself Online
  - [2.3.1 Your Digital Footprint](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/2-3-1-your-digital-footprint.md)
  - [2.3.2 Being Safe](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/2-3-2-being-safe.md)
  - [2.3.3 Online Safety](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/2-3-3-online-safety.md)
  - [2.3.4 Viruses](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/2-3-4-viruses.md)
  - [2.3.5 Malware](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/2-3-5-malware.md)
  - [2.3.6 People Online](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/2-3-6-people-online.md)
  - [2.3.7 Your Feelings](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/2-3-7-your-feelings.md)
  - [2.3.8 Getting Help](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/2-3-8-getting-help.md)

### 3 Computational Thinking
- 3.1 Computational Thinking
  - [3.1.1 Computational Thinking](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/3-1-1-computational-thinking.md)
  - [3.1.2 Decomposing Tasks](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/3-1-2-decomposing-tasks.md)
  - [3.1.3 Algorithms (1/2)](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/3-1-3-algorithms-12.md)
  - [3.1.4 Algorithms (2/2)](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/3-1-4-algorithms-22.md)
  - [3.1.5 Logical Reasoning & Debugging](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/3-1-5-logical-reasoning-and-debugging.md)

### 4 Computer Languages
- 4.1 Coding
  - [4.1.1 Code](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/4-1-1-code.md)
  - [4.1.2 Programs](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/4-1-2-programs.md)
  - [4.1.3 Writing Programs](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/4-1-3-writing-programs.md)
  - [4.1.4 Writing Your Own Program: Input, Outputs, Design](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/4-1-4-writing-your-own-program-input-outputs-design.md)
  - [4.1.5 Turning an Algorithm into an App (1/2)](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/4-1-5-turning-an-algorithm-into-an-app-12.md)
  - [4.1.6 Turning an Algorithm into an App (2/2)](https://senecalearning.com/en-gb/revision-notes/primary/computer-science/computing-year-5-and-6-national-curriculum/4-1-6-turning-an-algorithm-into-an-app-22.md)
