Virus, Worms and Hackers :: Computers Technology Essays

Virus, Worms and Hackers Computer computer viruses were archetypal widely seen in the late 1980s. They were caused due to several reasons. The first calculate was rapid growth of personal computers. Before this decade personal computers were not seen in many houses. They only computers used were expert computers which were locked in laboratories rough the world. During the 1980s Computers started to sell to several sm all in aller businesss and homes afterwards the release of the IBM PC in 1982 1. After its launch, personal computers slowly started cattle farm to businesses, homes and universities around the world.The second reason was publicise boards where users could dial up a bulletin board with a modem and download different programs 2. The roughly usual programs were games. Users also downloaded simple word processors and spreadsheets. Bulletin boards led to the precursor of the virus which is know today as the Trojan horse. Trojan horse is a program which can trick t he user in to downloading it. This can be done very easily changing the name of the file. When a Trojan program is downloaded on a local computer it can do a lot of harm to it. It can potentially erase all the contents of the hard disk on the computer. Trojan horses hit a small number of people because they are discovered easily. Either the bulletin board would erase the file from the system or the people would tear out messages to warn one another. The third reason was growth of diskette disks. Many programs could fit into a whizz floppy disk. Most computers did set about hard disks so computers would just load everything off the floppy when switched on including the operating system.Computer viruses can be very mysterious and bewitch our attention. Viruses can show us how vulnerable we are to attacks. A fountainhead engineered virus can have a very harmful effect on the internet. An example of this is the wriggles we have seen in the last few years. MyDoom worm which infect ed a quarter million computers in a single shook the whole internet community. In March 1999 the Mellisa virus was so powerful, it forced many large companies including Microsoft to completely turn off their telecommunicate systems until the virus could be contained. The ILOVEYOU worm in 2000 had a similar effect. The most astonishing thing is that these worms were very simple in their implementation. Worms usually performance some sort of security hole in a found of software or operating system.