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18 May 2011

How to protect your computer from viruses

Question in simple, but cannot answer in a single line.Every day thousands of viruses are created and uploaded to internet and in order to protect your system from this just installing an anti-virus is not enough.

Here are some simple ways to protect your PC from malicious programs and to take complete security to your computer.

1) Install an Anti-virus :

               Depending upon your need you can install an anti-virus that best suits to you.If you are using personal computer just for surfing browsing etc...it is enough to install a free anti-virus.On the other hand if you are using your computer for business etc purpose, then it is better to purchase a good premium antivirus software and install.you can find some good antivirus softwares here.

2) Update Antivirus regular :


              As i mentioned, everyday a thousands of viruses are created, so to fight against them your antivirus should update every day.Most of the antivirus provide free update feature.So you just need an internet connection.you have to change the options of antivirus software into such a manner that it update everyday automatically.If you don't have internet connection then it is better Avast antivirus for you, so you can download its updated files from internet cafe and to copy to your system.

3) Full system scanning :


           It is better to scan your complete system in alternate days.It is better to scan every startup if you use internet daily.also frequently check whether your antivirus is active(enable).

4) Creating backup :


           Even having the latest virus security is not enough as sometime there are viruses which were in your PC even before you installed the antivirus and when you install it, it may infect your antivirus or it may enters your system when your antivirus don't had information on its data base and after getting information it may delete important files including windows files thus resulting serious damages.It is there fore recommended that you always keep a back up of important files in some source such as a USB or using windows inbuilt backup feature etc.

5) Port security :
      
         Some of the most powerful viruses are spread through external devices which can connect to your computer.USB, DVD, CD, Memory cards etc.So it is recommended to use USB port security to prevent spreading of  viruses to your computer via USB.because through USB you don't want to open it, automatically viruses will be self copied to your PC at the same time you connect to your computer unlike CD, DVD, Floppy.There are free software which can prevent auto-play of USB like devices such as Panda USB vaccine.It'll vaccinate your computer and USB devices which prevent auto-play of that devises.

6) Scan before open :


         It is better to scan every secondary memory devises which get connected to your PC before opening.There are viruses which will spread when open the folder or the location it exist.

♦There are viruses which cannot be detected by antivirus programs.When scanned they will create a false image to antivirus hence stay undetected.Some will deactivate the antivirus and Firewalls.So beware of what you are downloading from internet.
           

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