ABSTRACT

One of the marvels of the Human Immune System is that no backdoor virus or Trojan can sneak into the body, from anywhere, without its knowledge. is is because the white blood cells (Leukocytes) are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders. ese cells are the defending army and are running in the streams of blood like a nebulous grid watching over every cell on the body. Now you got the picture why grids are the best mechanism to protect systems.