Malware

Malicious software designed to damage, disrupt, or gain unauthorised access to a computer system

Part of: VCE Applied Computing - U2O2 - Cyber Security — Module 28, 7-8 Digital Technologies Vic Curric - Digital Systems and Security — Module 67, 9-10 Digital Technologies Vic Curric - Digital Systems and Security — Module 47, VCE Software Development - U4O2 - Cyber Security: secure software development practices — Module 27, VCE Data Analytics - U4O2 - Cyber Security: Data Security — Module 11, IGCSE Computer Science 0478 — 5.3 Cyber Security — Module 6, ACARA Digital Technologies Years 7–8 — Networks and Cyber Threats — Module 16, ACARA Digital Technologies Years 9–10 — Cyber Security Threats and Vulnerabilities — Module 20, WA Computer Science ATAR Year 11 — Cyber Security — Module 32

Understanding Malware in VCE Cyber Security

What it does: Infected downloads are a common way malware reaches new systems. Antivirus tools scan files and flag those matching malware signatures. Malware is deliberately created to damage or disrupt systems. Malware often runs without the user's knowledge or consent. Antivirus software scans for and removes known malicious code. Malware can infect any connected device, not just old computers. Malware is the general term for software created to cause harm. Ransomware is a specific example of malware that extorts victims.

Common mistakes: Wrong — malware is malicious, not helpful; it can damage or steal data. Wrong — malware does not improve performance; it can damage systems.

Class: _____________________ · Name: _____________________ · Date: _________

Free printable worksheet with full answer key — or add this module to a class and your students practise it interactively.

🖨 Print worksheet + answer key Add Malware to a class →

This module's key terms are also in a printable crossword (Modules 21–30) and word search (Modules 21–40).

Take this worksheet further — free with Cloodit

Each concept is reinforced from every angle — learned, then applied, then tested.

Learning

Duo

Is malware software designed to cause harm?

YesNo

Matches

Malware always asks for permission before running

↓

Malware often runs without the user's knowledge

Applying

Meanings

Term

Malware

Meaning

Malicious software designed to damage, disrupt, or gain unauthorised access to a computer system

Practice

Malware infects systems to steal

Testing

Gaps

Malware is software.

Check Answer

Spots

1Malware is helpful software.

2It can damage or steal data.

Cloodit turns curriculum-aligned coding content into journeys students work through one biome at a time.

Students earn collectable badges

Over 100 of them, across seven natural biomes.

Study Buddy

Students build a real study resource

Turns their work into revision material ready for Flash Cards and Exam study.

Diamond Dash — one of Cloodit's live, competitive Sprint games

Students lock in with Sprints

Live, competitive practice for the start of the lesson or a teacher-led lesson finisher.

A Cloodit certificate of achievement, ready to personalise and print

Custom printable certificates

Honour your top performers, or encourage a student who's trying hard — ready to print in seconds.

Add to class →

Quick Questions

1. Is malware software designed to cause harm?

A. Yes ✓

B. No

Malware is deliberately created to damage or disrupt systems.

2. Does all malware require the user's permission to run?

A. True

B. False ✓

Malware often runs without the user's knowledge or consent.

3. Can malware spread through email attachments?

A. No

B. Yes ✓

Email attachments are a common way malware infects systems.

4. Does antivirus software help detect and remove malware?

A. Yes ✓

B. No

Antivirus software scans for and removes known malicious code.

5. Is malware only found on old, outdated computers?

A. False ✓

B. True

Malware can infect any connected device, not just old computers.

Match the Pairs

Malware → Malicious software designed to harm a system

Ransomware attack → A type of malware that locks files until a ransom is paid

Malware can spread via infected downloads → A user downloading an infected file

Antivirus software detects malware → A scan flagging a malicious file

Malware always asks for permission before running → Malware often runs without the user's knowledge

Only old computers can be infected by malware → Malware can infect any connected device

Key Term

Malware

Malicious software designed to damage, disrupt, or gain unauthorised access to a computer system

Fill in the Blanks

1. Malware is malicious software.

Hint: Type the word describing software designed to cause harm.

2. Malware can damage or corrupt files.

Hint: Type the word meaning to spoil or ruin data.

3. Antivirus software can detect malware.

Hint: Type the word meaning to identify or find something.

4. Malware often spreads via email attachments.

Hint: Type the word meaning to spread or propagate to other systems.

5. Malware can gain unauthorised access.

Hint: Type the word meaning without permission.

Spot the Error

Question 1

A Malware is helpful software.

B It can damage or steal data.

C Antivirus helps detect it.

Line A — Wrong — malware is malicious, not helpful; it can damage or steal data.

Question 2

A Malware spreads through email.

B It always helps performance.

C Antivirus software detects it.

Line B — Wrong — malware does not improve performance; it can damage systems.

Question 3

A Malware can steal your data.

B It spreads via infected files.

C It always asks for permission.

Line C — Wrong — malware does not ask permission; it accesses systems without consent.

Question 4

A Malware can corrupt files.

B It can slow down a system.

C Antivirus can detect malware.

D It always improves security.

Line D — Wrong — malware harms security, it doesn't improve it.

Question 5

A Malware needs your consent.

B It can be hidden in files.

C It may damage a system.

D Antivirus can remove malware.

Line A — Wrong — malware does not need consent; it infects systems without permission.

Student with a class code? Join your class →