COMPUTER VIRUSES Cateye <1>WHAT IS A COMPUTER VIRUS: The term usually used to define a computer virus is: ' A computer virus is often malicious software which replicates itself' [ Podell 1987 for similar definition ] - COMPUTER VIRUSES ARE BASICALLY PROGRAMS, LIKE A SPREADSHEET OR A WORD PROCESSOR. - PROGRAMS WHICH CAN INSERT EXECUTABLE COPIES OF ITSELF INTO OTHER PROGRAMS. - PROGRAMS THAT MANIPULATES PROGRAMS, MODIFIES OTHER PROGRAMS AND REPRODUCE ITSELF IN THE PROCESS. Comparing Biological viruses & Computer viruses ************************************************************* * Attack specific * Attack specific * * body cells * programs (*.COM *.EXE) * ************************************************************* * Modify the genetic information * Manipulate the program: * * of a cell other than previous 1* It performs tasks * ************************************************************* * New viruses grow in the * The infected program produces * * infected cell itself * virus......
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