Work on their own and spread to other programs.

• Viruses

• Trojan horses

• Worms

• Malware

The machines and electronic parts in a computer or other electronic system

• Devide

• Worms

• Hardware

• Operating System

Encrypts a user’s data and demands payment.

• Software

• Spyware

• Hardware

• Ransomware

Are disguised as legitimate programs to gain access to a system.

• Driver

• Trojan horses

• Windowing system

• Firmware

It is a software that provides platform to other software like operating systems or antivirus software.

• System software

• Windowing system

• Operating System

• Software device

It is a special kind of software program that controls a specific hardware device attached to a computer.

• Software

• Hardware

• Driver

• Spyware

Discretely collects user information and activity.

• Viruses

• Trojan

• Spyware

• Worms

It's a type of computer software that is stored in such a way that it cannot be changed or lost.

• Ransomware

• Firmware

• Viruses

• Devices

It is a system for sharing a computer's graphical display presentation resources among multiple applications at the same time.

• Windowing device

• Operating system

• Operating device

• Windowing system

Self-replicate and spread autonomously.

• Worms

• Wormes

• Wormware

• Warning