Malware is malicious software that is specifically designed to harm a computer or server, or gain unauthorized access to a network. It can be downloaded through applications and infect your device.


Some examples of malware, and the damage that it can cause, are listed in the chart below.



Types of Malware

How it Operates

Trojan Horses

A software or code that tricks the user into downloading it prior to revealing its true intent.
Worms
A stand-alone program that can clone itself to spread from one computer to another through the network, without human interaction.

Computer Viruses

Viruses are designed to damage the target computer or device. Data can be corrupted, or the device can be shut down completely. They can also be used to steal information.

Ransomware

Disables access to a user's data until a ransom amount is paid.

Spyware

Gathers a user's activity data without knowledge or consent.
AdwareSoftware that displays unwanted ads or pop-ups on the device which are made difficult to close.

Scareware

A deception software that manipulates the user into paying to fix problems that don't exist. 
KeyloggersMonitors and logs user keyboard strokes. This information is then used to hack sensitive information like passwords or personal data.

Fileless Malware

Malicious software that uses legitimate or trusted scripts running on the operating system to infect the computer. Since there are no files installed or footprints left behind, it is difficult to detect.