What is Malware?
Malware (malicious software) are computer programs which can damage or steal our information. There are two main purposes for malware:
Damage our Data
- To get revenge on the data's owner
- Lock your computer and demand money for release
- To cause trouble or disruption
- To prevent customers using a business
Damage our Data
- To buy things with our account
- To steal money
- To cause trouble or disruption
- Steal company or government secrets
Although sometimes hackers do it just to prove they can!
Types of Malware
There are six main types of malware you need to know about:
Virus
A program that attaches to files and spreads when opened, often deleting data or crashing systems.
Worm
A worm spreads on its own through networks, quickly filling up storage or slowing down entire systems.
Adware
Adware fills your screen with annoying adverts and can slow down your device or lead you to unsafe websites.
Ransomware
Locks your files and demands money to unlock them, making your data useless until paid (if ever).
Spyware
Secretly tracks what you do steals your passwords, personal information, or online activity.
Trojan Horse
Looks like safe software, like a free game, but secretly gives hackers control of your device or access to your files.