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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.



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