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Jul 13
posted by on as Training



Anti-Virus software consists of programs on your computer that make an attempt to identify and keep computer viruses off your computer. The anti-virus software will most likely use a couple of different techniques to make sure the viruses stay off your computer. The software will start to scan all your files you have saved so that it can search for known viruses that will match definitions in a dictionary made only to detect a virus. Having anti-virus software will protect your computer from any virus an unknown person could give you.


The software will identify suspicious behavior from any computer program that might show signs of infection. These analysis may also include data captures, port monitoring and other methods that you may or may not be familiar with. Almost all commercial anti-virus software use both of the following approaches, with an emphasis on the virus dictionary approach.


The approaches are first the dictionary approach second suspicious behavior third other approaches. In case your wondering if we are talking about your computer or your children, we are definitely describing your computer although you may get a little laugh while reading this and thinking this computer is as bad as my children can be sometimes. At least for our computer we can get an anti-virus which will help solve a lot of the problems that can occur when you have a computer.


I have talked about the dictionary approach, now let me explain what this is. If there is a piece of code in your file matches any virus identified in the dictionary , then the anti-virus software can take one of the following options. It will first attempt to repair the file by removing the virus itself from the file. Next it can quarantine the file, such that the file remains inaccessible to other programs so that it's virus can no longer spread.


Anti virus software can be very expensive so please make sure that you shop around to make sure that you get the best deal that there is available to you. It is important to keep your computer functioning properly over time and by using this type of software you can easily do so, without so many threats occurring each time that you are on the internet trying to enjoy your time.


Third it will delete the file that is infected. So you can achieve the success consistently for the medium to long term, the virus dictionary approach does require periodic generally online downloads of updated virus dictionary entries. You should also know that a system administrator can typically schedule the anti-virus software to examine or scan all the files on your computers hard disk drive, and it can do this all on a regular basis.


Although the dictionary approach can effectively contain virus outbreaks in the circumstances, virus authors have always tried to stay a step ahead of such software by writing oligomorphic, polymorphic and most recently the metamorphic. Use your anti-virus at least two or 3 times a week so your computer can be protected now and future use.




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