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Computer viruses in the People’s Republic of China Computer Information System Security Protection Ordinance clearly defined, refers to the virus preparation inserted in a computer program of destruction of computer functions or destroy data, impact of computer use and the ability to self-panda virus (Ni Muya mutation of the virus) I copied a set of computer instructions or program code “. “Virus” in the medical, computer viruses are not naturally occurring, some people use the computer software and hardware of the inherent vulnerability of the preparation of a set of instruction set or program code. It is lurking in some way a computer storage medium (or program) is activated when a particular condition, the exact copy or form of evolution may modify other program into other programs. to infect other programs, and destruction of computer resources.
Computer Viruses tend to spread the use of the computer’s operating system weaknesses, improve system security is an important aspect of the anti-virus, but perfect system does not exist, too much emphasis on improving the security of the system will allow the system most of the time for virus checking, the system loses the availability, practicality and ease of use, the other hand, the confidentiality of information requirements so that people can not choose between the leak and seize the virus. Virus and anti-virus as a fight against long-term existence of the two technologies will be the long-term development with the development of computer technology.
The virus is not from a sudden or accidental causes. Virus from an accidental event, when the researchers in order to calculate the line number of the Internet, however, it has its own “breeding” led to the collapse and blockage of the entire server, sometimes a sudden power failure, and accidental errors, some garbled and random command in the disk and in memory of the computer, but the code is disorder and chaos, the virus is a perfect, sophisticated and rigorous code, in accordance with a strict order to organize your system network environment to adapt to and together, the virus will not be formed through casual, and the need for a certain length, the length of the probability is generated by the random code. Pandemic virus by human intentionally written, most virus can be found in the author and origin information from the statistical analysis of a large number of virus writers and purpose: talented programmers to express themselves and demonstrate their ability, out of dissatisfaction with the boss, for curiosity’s sake, in order to retaliate, in order to congratulate and courtship, in order to get control of the password, the software can not get the reward reserved for the trap. Of course, for political, military, religious, ethnic. The demand for patents and other aspects of specially prepared, including some virus research institutions and hackers test virus.
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