Why You Shouldn’t Use Free Antivirus Software

You can download them, buy them online and have them shipped you or just go out to your local electronics store but you surely can’t live without them. You might guess computers but I’m talking about antivirus software. What is so important about this software? Unlike the medicine you get from a pharmacy that is supposed to fix you after you’ve already gotten sick, antivirus software is supposed to prevent your computer’s bad health.

So how does this software work? There isn’t just one way for antivirus software to work since there isn’t only one type of malicious software (I.E.: worms, viruses, spyware and so on). The great thing about bugs is that whether they are cyber bugs that infect our computers or real microbes that infect our bodies, they have a certain “DNA” that sets them apart from all other bugs. Any good protection against viruses will include a huge database or dictionary of up-to-the-moment known viruses. One of the first steps to protecting against viruses is to match incoming data with the dictionary of known viruses so that when a match is found, it is quickly taken care of.

Taking care of a virus usually means one of three things. The first possibility is that the virus is removed from the file that is infected so that you can keep the file and not the bug. The second option is to “quarantine” the infected file. The point of quarantine is to avoid a certain illness from spreading and what happens with a quarantined file is that it does not remove the file from your computer but it does not allow the virus to spread. Some files that are vital for certain applications can become infected and removal of these files might make your computer stop functioning properly which means that they need to be kept and this is usually when they are quarantined instead of simply deleted. Deletion is obviously the third choice. If a file becomes infected and cannot be fixed or doesn’t necessarily need to be quarantined, it should be deleted.

Using a virus database is not the only way that antivirus software protects against malicious bugs. Every month 200 or more new viruses are introduced into the cyber world and that means that databases can become outdated very quickly. To help compensate for this, antivirus also uses methods such as heuristic analysis, sandboxing, and white listing. Heuristic analysis sounds like something ridiculously complex but it basically identifies viruses based on behavoiur patterns. Sandboxing is a little more complex but it is just like looking at files that are around infected files in order to see how the sick data affects its peers. White listing is the least complex and most effective approach to virus fighting. White listing works like a V.I.P. list at a popular nightclub, if you aren’t on the list, you don’t get in, period.

There aren’t too many things that you need to get your hands on as much as antivirus software. The fact of the matter is that no matter how you get it, by downloading it, e-shopping for it or while browsing through your local electronics store antimalicious software protection is the best possible buy.

You’ve probably seen free antivirus software available, however I don’t recommend using these. In the free software you don’t get customer support or any automated features – like automatic scanning. When you buy antivirus software you can set it up to do everything automatically. In fact a friend of mine who is a pc repair technician told me most of the computers he sees with a virus problem are usually running free antivirus software, and the person just forgets to run regular scans.

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