Tuesday, April 20, 2010

How to Avoid Viruses

In the recent years, the intensity of Virus Attack has just doubled. The severity of those attacks keep on changing depending on the ability of the virus to penetrate our networks and PCs and utlilize their  resources.
           Not all antiviruses are able to detect and prevent these viruses or trojans or bots at their arrival. Most go untraceable and undetectable and only after major loss of data, the viruses are detected.
         We cannot kill the viruses before the Antivirus Softwares release the patches, but we could prevent those attacks by following a few steps :

1. Be sure to install updates for Microsoft® products
Using Microsoft Update with automatic updating is a strong – and simple to implement – first line of defence against security threats. The Microsoft Update site scans your computer and gives you a list of updates that are relevant to your computer and its configuration.

 2. Install the latest versions of Adobe Reader and Flash Player
The viruses like Gumblar takes advantage of common Adobe Reader, Adobe Acrobat, and Adobe Shockwave Flash Player vulnerabilities, which lead to the download of additional malicious files. Keeping these programs up-to-date can help ensure you’ve got the latest and most secure versions available.

3. Create and maintain strong passwords
Keeping and using strong passwords, and changing them regularly, is a very important step in keeping your online accounts, computer files and personal information secure.  Ideally, passwords should be long and use the entire keyboard, not just the letters and characters you use or see most often.

4. Invest in quality antivirus and antispyware protection
While it isn’t a 100% guarantee of security, your risk of virus infection is significantly lower when you use a comprehensive antivirus protection program. Without some sort of protection, you are virtually guaranteed to become a victim of viruses, spyware and spam.

5. Don’t click on unknown links or attachments
Never click on any unfamiliar links embedded in an e-mail, or open attachments from unknown senders. And check for anything unusual even in links you do recognise; slightly altered domain names could indicate that a site has been hijacked.

6.  Download files only from trusted sites 
You should only download files from known, well-established sources. Never download anything if you’re not certain what it is. When in doubt, don't download the file to your computer at all: download it onto an external drive or USB stick, and then check the files with antivirus scanning software.

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