Anti-virus technology
Now the mature anti-virus technology in the world can completely prevent and eliminate all known viruses, mainly involving the following three major technologies:
Real-time monitoring technology. This technology builds a dynamic, real-time anti-virus line of defense for computing organizations. By modifying the operating system, the operating system itself has anti-virus capabilities and rejects viruses outside the computer system. Monitor the virus activity in the system at all times, monitor the status of the system at all times, monitor the virus infection on floppy disks, CD-ROMs, the Internet, and e-mail at all times, and block the virus from outside the operating system. And because the excellent anti-virus software adopts the seamless connection technology with the bottom layer of the operating system, the system resources occupied by the real-time monitor are extremely small. On the one hand, the user does not feel the impact on the performance of the machine, on the one hand, it does not need to consider the problem of the virus . As long as the real-time anti-virus software works in the system in real time, the virus cannot invade our computer system. It can ensure that the anti-virus software needs to be installed only once. From now on, every second of the computer will perform a strict anti-virus check, so that every file that enters the computer through the Internet, CD-ROM, floppy disk, etc. is safe and non-toxic. Kill.
Anti-virus technology (omitted)
Automatic decompression technology. At present, most of the files we contact on the Internet, CD-ROM and WINDOWS are stored in a compressed state, in order to save transmission time or save storage space, which makes all kinds of compressed files have become a hotbed of computer virus transmission. For example, in October last year, the October issue of the China Computer News CD-ROM InfoCD was infected with the CIH virus, that is, the three compressed files contained viruses. ?
If the user downloads a compressed file package with a virus from the Internet, or runs a compressed file with a virus from the CD, the user will use this compressed file package with confidence, and then his system will be unconsciously compressed files Virus infection in the package. Moreover, there are many popular compression standards, and some of them are not compatible with each other. Comprehensive coverage of various compression formats requires an understanding of the algorithms and data models of various compression formats. This must be combined with the production of compression software. The manufacturer has a very close technical cooperation relationship, otherwise, the decompression will cause problems.
Full platform anti-virus technology. At present, the active virus platforms are: DOS, WINDOWS, NETWARE, etc. In order to achieve seamless connection with the bottom layer of the system and reliably check and kill viruses in real time, the antivirus software of the corresponding platform must be used on different platforms If you are using the WINDOWS platform, you must use the WINDOWS version of anti-virus software. If it is an enterprise network and any version of the platform is available, anti-virus software such as DOS, WINDOWS95 / 98, NT and other platforms must be installed on each server and CLIENT of the network The virus module can resist virus attacks in real time at every point. Only in this way can the network be truly safe and reliable.
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