1. Use updated anti virus software that support firewall function. Try to update your virus definicions for latest updates.There are lot of free ant virus software but they give basic versions & most of the time they are not enough. eg: Mcafee, Norton Anti virus Software
2. Use Backup software and take regular backups of your data. Ideally on to a location this is not on your computer. For example: a ZIP disk, Writable CD, Pen Drive etc. This way, if a virus infects your system (or another problem occurs) and you can not recover, you can always go back to the previous version of your data.
Do not overwrite your previous backup when taking a new backup. Problems have been known to occur during the backup process, so you want to make sure that you always have one complete backup available.
3. Do not open email attachments unless you were expecting to receive an email attachment from the person who sent the message. This includes email attachments from people you know - their computer may be infected, and the virus may be sending you email without their knowledge.
If you are not sure if the sender meant to send you an attachment, write to them and ask if they knew they sent you an an attachment and if they know what is in it.
When writing to a person who sent you a suspect attachment, be sure to use "New Message" (or the equivalent function) in your email program. Do not click "Reply" as you may easily inadvertently open the virus infected file.
4. Don't accept unknown files that sending via Instant Messengers from your friends. Before you accept them ask your friend that he or she really send a file. There are lot of viruses that effect your yahoo or MSN messenger & automatically send messages or files via IM network.
5. If prompted, do not run macros when opening Microsoft Word or Excel documents unless you put the macros there yourself. This is especially true for documents received via email, even from people you know.
6. When downloading files from Internet sites save the files to a temporary folder on your computer, or to a floppy disk etc. Scan them for viruses using your AntiVirus software before opening or running them
7. Avoid downloading files from disreputable sites. For example, do not download files from "crackz", "appz",. "warez" or other illegal/pirated software sites. Such files have been known to contain viruses, Trojans, etc. Now Google will warn about harmful sites cooperate with stopbadware.org.
Eg: Google Mal ware warning Message "Warning - visiting this web site may harm your computer!"
8. Check that there is not a floppy disk inadvertently left in the drive before rebooting or restarting your computer.
If you start your computer and there is an infected disk in the drive, you can catch a virus this way!
* Prepare a clean MS-DOS boot disk, and keep it in a safe place.
On most computers you can can make such a disk by opening an MS-DOS window and typing:
FORMAT A: /S
After preparing the disk, set the tab on the floppy disk to the Write-Protected position.
You may need this disk when recovering from some types of virus infections. Your anti virus software and/or anti virus web sites contain instructions for cleaning up viruses.
Protect Your Computer From Viruses
With so many computer viruses lurking on the Internet ready to attack your computer, it is important that you are prepared for and know how to fend them off even before they arrive at their intended destination. Computer viruses can conceivably delete or destroy all the data on your computer. Worst of all, they can extract information from you computer and transmit it to other computers along with the virus itself.
It is essential that you protect your computer with an anti-virus security program which you can either download from an Internet merchant or buy at any computer software store. A good anti-virus program is one that is capable of detecting and blocking incoming viruses before they hit your PC, as well as detecting viruses that are already there. Once the virus is detected, your anti-virus program should be able to safely quarantine, repair, or simply delete infected files so your computer retains its optimum health and functionality.
There are three types of computer viruses that should be of concern to you. The first is a common and standard computer virus that is typically delivered through the medium of a launched program on your computer. The virus will then spread throughout your system and eventually infect other programs that it reaches. Most security software is designed to protect you against such viruses, but there are new viruses being developed every day by computer thugs, so it is vital that you keep your anti-virus definition file updated at least weekly.
The second type, and the one for which you are likely most familiar, is the email virus which can be sent unknowingly from person-to-person before being detected. These viruses are hidden in an email message; opening that message on the receiving end activates the virus. It can then collect, for example, the email addresses you have registered in your email client and send copies of the same virus to every person on your contact list. Most email services have built in protection that scans messages for viruses as an email is received, but the best protection is know what to look for in the first place. Email viruses "hang out" in emails from unknown sources and in attachments, usually from people you do not know.
Finally, the most dangerous of the computer viruses is the "worm." This type of infection has the ability to worm its way from computer to computer across the Internet or a local area network. They copy themselves directly onto a computer without being notice, so you might not be aware you have one until your data is completely stolen or gone. They are written to seek out specific weaknesses of your security program through which entrance is made onto your computer. The best way to combat a worm is through a computer firewall. These front line security programs inhibit attempts to access your computer and alert you to when you have a potential danger.
Knowing now the high level types of viruses, you are in a more strategic position to protect yourself and your computer from pending dangerous data theft or destruction.
Both Kumara & Darrin Johnson are contributors for EditorialToday. The above articles have been edited for relevancy and timeliness. All write-ups, reviews, tips and guides published by EditorialToday.com and its partners or affiliates are for informational purposes only. They should not be used for any legal or any other type of advice. We do not endorse any author, contributor, writer or article posted by our team.
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