| Keyword | Definition |
|---|---|
| Adware | type of malware which causes additional adverts or popups to appear which might irritate users and slow down their computer |
| Malware | malicious software which might disable hardware, steal data, show unwanted adverts, send spam or demand payment |
| Ransomware | type of malware which encrypts users files and demands payment before they can decrypt and access them again |
| Spyware | type of malware which collects and shares user data without permission |
| Trojan Horse | type of malware which opens a back door to your computer so hackers can control it or access your data remotely |
| Virus | type of malware which can infect a computer by copying itself into other programs and trigger other malware |
| Worm | type of malware which spreads through a network using up the system's resources |
