This comparison covers Types of Malware within Types of Malware for GCSE Computer Science. Revise Types of Malware in 3.6 Fundamentals of Cyber Security for GCSE Computer Science with 15 exam-style questions and 15 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 4 of 9 in this topic. Use this comparison to connect the idea to the wider topic before moving on to questions and flashcards.
Types of Malware
| Type | How it Works | How it Spreads |
|---|---|---|
| Virus | Attaches to legitimate files; activates when file runs | Email attachments, downloads, USB drives |
| Worm | Self-replicates; doesn't need host file | Networks, exploits vulnerabilities automatically |
| Trojan | Disguised as legitimate software; creates backdoor | Fake downloads, phishing emails |
| Ransomware | Encrypts files; demands payment for decryption key | Phishing emails, malicious websites |
| Spyware | Monitors activity; steals personal data | Bundled with free software, drive-by downloads |
| Adware | Displays unwanted advertisements | Bundled with free software |
Practice questions for Types of Malware
Which type of malware attaches itself to a legitimate file and requires user action to spread?
Explain how a Trojan horse works.