🦠 Worksheet: Downloads and harmful software
Cyber Hygiene · Downloads and harmful software
Name: ____________________Class: ______Date: __________
1. Mark ✅ or ❌
- Only download from official stores or the developer's official website.
- Never turn off your antivirus to install something.
- Keep your antivirus (e.g. Microsoft Defender, Play Protect) switched on.
- Check the developer, the ratings and the permissions before installing.
- Don't open .exe, .zip or .apk attachments you weren't expecting.
- Don't download cracked games or programs, keygens or mod APKs.
- Turn on automatic updates for your system and your apps.
- Don't enable macros in documents from unknown sources.
2. Choose the correct answer
A game installer asks you to turn off your antivirus. What does this mean?
- A) It's normal for games
- B) It's a strong sign that the program is harmful
- C) The game will run faster
- D) The antivirus is broken
Which type of malware locks your files and demands money?
- A) Adware
- B) Ransomware
- C) Spyware
- D) A worm
What is the safest way to download an app?
- A) From a link in the YouTube comments
- B) As a mod APK from a forum
- C) From the official app store
- D) From a USB stick found at school
3. Think and write
Complete: Malware is …
Write one sentence about what each of these does: ransomware, spyware, the Trojan horse, adware.
Write three signs that a device might be infected.
Why should we only download apps from official stores?
What is a backup, and how does it help you when a device gets infected?
A friend gives you a USB stick with “free games”. What do you do?
Answer key (for the teacher)
Exercise 1: 1) ✅ · 2) ❌ · 3) ✅ · 4) ✅ · 5) ❌ · 6) ❌ · 7) ✅ · 8) ❌
Exercise 2: 1) B · 2) B · 3) C
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