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Factopedia















                       Melissa was a                       Norton                 McAfee                Quick Heal
                      powerful macro
                      virus that forced                      FIREWALL
                    Microsoft and other
                   big companies to shut              The term ‘firewall’ originally referred to a wall intended to confine
                    down their mailing
                      system in 1999.                 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.



                      Reaper was the
                    first-ever Antivirus,
                   programmed in 1972.                      Let’s BaCk-uP

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











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