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9 9                                  Computer Malware
                                                                   Computer Malware










                Pre-Processing



                      • What Malware Can Do?                      • What Malware Cannot Do?
                      • Sources of Malware                        • Indications of Malware Infection
                       • Types of Malware                         • Preventing Malware Infections
                       • Antivirus Software

          Malware is a Malicious Software, designed to gain access or damage a computer without the knowledge
          of the user. Malware can includes viruses, worms, trojan horses, rootkits, and other activities.

                                                           Malware



                                                                                              Other malicious
                      Viruses            Worms           Trojan horses         Rootkits
                                                                                                  activities

          WHAT MALWARE CAN DO?
          Malware can harm your computer in many ways. Some of these are:
             •   It can slow down the speed of your computer.
             •  It can corrupt the program and data files stored in your computer.
             •  It can cause problems while connecting to a network.
             •  It may open unwanted pop-up windows on your computer.
             •  It allows hackers to access sensitive information stored on your
                computer.
             •  It  can  send  junk  or  spam  email,  and  destroy  or  corrupt  email
                messages from your email account.
             •  It can install other malware on your computer.
          WHAT MALWARE CANNOT DO?
          Malware cannot perform the following tasks:
             •  It cannot harm read-only media such as CD-ROMs or DVD-ROMs.
             •  It cannot cause damage to the hardware of a computer system.
             •  It cannot cause a computer to stop functioning, as it needs the computer system to cause further
                damage.











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