Page 70 - Plus_V2.2_C6_Flipbook
P. 70

ANTIVIRUS
              Factopedia                          A set of programs that identify and remove malware are known as


                                                  antivirus software. You must have an antivirus software installed on
                                                  your computer. It detects the virus in the computer and does not let
                                                  the virus copy itself on your computer system.
                                                  Hundreds of new viruses are developed every hour. Antivirus software
                                                  developers regularly release updates on the Internet that allow their
                                                  programs to detect the latest known viruses. You can update your
                         Melissa was a            copy of antivirus only through the Internet. So, it is essential to have
                        powerful micro            an Internet connection to update antivirus software.
                        virus that forced         Some  well-known  antivirus  programs  are Norton, AVG, McAfee,
                      Microsoft and other         Symantec, SmartDog, Kaspersky, etc.
                     big companies to shut
                      down their mailing
                        system in 1999.






                                                                 Norton          McAfee        Quick Heal

                                                         FIREWALL
                       Reaper is the first
                         ever Antivirus
                     programmed in 1972.          The term ‘firewall’ originally referred to a wall intended to confine
                                                  a fire or potential fire within a building. In computer, a firewall is a
                                                  software or hardware-based network security system that controls
                                                  the incoming and outgoing network traffic based on applied rule set.
                                                  A firewall acts like a gatekeeper and prevents unauthorised access
                                                  to a computer network.


                          Elk Cloner is                   Let’s BaCk-uP
                        one the earliest
                        microcomputer                  A computer virus is a ‘piece of code’ or program developed
                     viruses, developed in           to corrupt the data or program files stored on the computer
                      1982 by Rich Skrenta           system.
                        when he was a
                      15-year-old kid. He              A malware is a type of malicious program designed to damage
                      used it to prank his           or carryout other unwanted actions on a computer system.
                     friends as he put it on           The different types  of malware are worm, trojan  horse,
                         a game disk.                spyware, ramsomware and rootkit.
                                                       A  set  of  programs  that  identify  and  remove  malware  are
                                                     known as antivirus software.
                                                       A firewall is a software or hardware-based network security
                                                     system that controls the incoming and outgoing network traffic
                                                     based on applied rule set.


                  68    Premium Edition-VI
   65   66   67   68   69   70   71   72   73   74   75