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5                        Computer Malware
















                     Let’s surf
                     Ø  Malware                                      Ø  Worms
                     Ø  Trojan Horse                                 Ø  Spyware
                     Ø  Ransomware                                   Ø  Rootkit
                     Ø  Computer Virus                               Ø  Antivirus
                     Ø  Firewall







                                                                                           21 st
                  Let’s PLug-in                                                         Century   #Critical Thinking
                                                                                          Skills
                    What should you do when you fall sick? Tick ( ) the correct picture.













                                                                                                    D. (        )
                                                                               C. (        )
                            A. (        )            B. (        )            C. (   )            D. (   )
                                                    B. (   )
                           A. (   )
                    The 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.











                 Data and information stored in the computer are the two most important assets of an organisation.
                 No organisation  wants to  lose  its  data  and information.  Hence, most  of the  organisations  adopt
                 preventive measures to protect their computer systems and data from any kind of danger or risk.
                 One of the common risks is malware attack.




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