Page 80 - TP_Plus_v4_Class4
P. 80
Take Off Century #Information Literacy
21 st
Skills #Flexibility
What should you do when you fall sick? Tick ( ) the correct picture.
a. b.
d.
c.
A computer also falls sick as harmful files and applications
damage it. There are preventive measures to secure our
computer too. Let us read about them in this chapter.
We must adapt preventive measures to protect our computer
systems and data from any kind of danger or risk. One of the
common risks to our computer is malware attack.
COMPUTER MALWARE
Malware, or malicious software, is a software made to cause harm to your system. A malware
gets installed on a computer without approval from the computer's owner. It is developed by
cybercriminals (often called hackers) to steal data and damage or destroy computers. There
are different types of malware, each having unique characteristics. Let’s find out.
Worm
Virus
MALWARE Trojan
Horse
Spyware Adware
Virus
A computer virus is a program that is able to copy itself when it is run. It gets activated each
time the program or file to which it is attached is opened or executed. It is the most common
type of malware. It can spread itself by infecting other programs or files. This affects the original
program, causing it to no longer work properly.
78 PLUS (Ver. 4.0)-V

