Polymorphic
The generation of today is growing up in a fast-growing, high-tech world which allows us to do the impossibilities of yesterday. With the help of modern telecommunications and the rapid growth of the personal computer in the average household we are able to talk to and share information with people from all sides of the globe. However, this vast amount of information transport has opened the doors for the computer "virus" of the future to flourish. As time passes on, so-called "viruses" are becoming more and more adaptive and dangerous. No longer are viruses merely a rarity among computer users and no longer are they mere nuisances. Since many people depend on the data in their computer every day to make a living, the risk of catastrophe has increased tenfold. The people who create computer viruses are now becoming much more adept at making them harder to detect and eliminate. These so-called "polymorphic" viruses are able to clone themselves and change themselves as they need to avoid detection. This form of "smart viruses" allows the virus to have a form of artificial intelligence. To understand the way a computer virus works and spreads, first one must understand some basics about
These are referred to as cloning viruses. There are two main methods of detecting viruses on a computer. Basically all data in a computer is stored in a byte structure format. A LAN is a group of computers linked together with very fast and high capacity cables. In either of those types of memory can a virus reside. In fact it may be weeks until a person even is aware that their computer has a virus. It is not only the destructive nature of computer viruses that make them so dangerous in today's society of telecommunications, but also their ability to adapt themselves to their surroundings and react in ways that allow them to proceed undetected to wreck more havoc on personal computer users across the globe. However, the teacher is not aware that the movie file is infected with a computer virus. Instead it creates other programs with different byte structures that are attempting to perform the same task. In a sense, polymorphic viruses are smart enough to evolve itself by writing new programs on the fly. The disadvantage is that it can produce a number of false alarms such as when a user has two copies of the same file.
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