Thursday, August 19, 2010

Computer Viruses Are A Hot Topic

You should be able to find several indispensable facts about computers in the following paragraphs. If there's at least one fact you didn't know before, imagine the difference it might make.

No matter who you talk to, everyone has either had a computer virus or knows of someone who has gone through the agony of trying to get rid of the problem. Computer viruses are a hot topic that seem to affect everyone who owns a computer system, whether at work or at home. The companies that produce software programs that catch and delete these computer viruses are constantly updating their databases for virus types and definitions so that they can better protect your system against all the newest viruses. Creating virus protection programs is a multi-billion dollar business that is growing more and more everyday. The number of viruses being created and uploaded to the Internet is growing at an astounding rate of a new one every eighteen seconds! This definitely keeps the virus protection companies on their toes with research and development.

Because these viruses copy themselves to any computer system they come in contact with, the spread of viruses throughout a computer network or the Internet is a very fast and deadly thing to happen to your computer. Because computer viruses are a hot topic, they routinely are the subject of magazine articles and forum topics online. While some viruses do nothing more than frustrate you with pop-up ads or other messages, others are completely malicious and set out from the start to destroy the files and operating systems of your computer.

Of the 53,000 viruses that have been identified and classed, more than 80 percent of them have been classed as malicious and capable of harming your computer system or data files. These computer viruses behave in much the same way as biological viruses by contaminating any computer systems they come in contact with. These self-executing programs are generally very small and work at damaging the way your computer works or by damaging or completely removing key system files.

When computer viruses are a hot topic, more and more people find out about the destructive power of these programs. In this way a great many people find out about virus protection programs and rush out to get the newest protection programs or they ensure that their computer virus protection is up to date. Many magazine and news articles about computer viruses have the effect of sometimes panicking people into believing that their computers are at risk. Having a good anti-virus program and current updates is one of the best ways to protect your computer system against virus attacks.

If you don't have accurate details regarding computers, then you might make a bad choice on the subject. Don't let that happen: keep reading.

This must also be coupled with good file habits such as scanning all downloaded files with the anti-virus program before opening them. It is always a good idea to take the time to ensure that the file you thought you were downloading is indeed the file you have. For instance, a file that labels itself as a movie file and is less than one megabyte in size is not a movie file. Movie files are generally nearly a thousand times that size and therefore, the file you have downloaded is most likely not a movie file and may in fact be a computer virus.

Computer viruses are a hot topic at the office when a virus attack manages to get past protection protocols put in place by the network administrators. All it takes is one person allowing some executable files they have been sent to open and start replicating itself through the network of computers to make life Hell for that company. Virus attacks can cripple office systems very quickly resulting in lost revenue and consumer confidence which can affect the way that stocks in that company are traded resulting in even further financial losses. That is why it is so important for larger businesses to have comprehensive computer virus protection programs in place.

These virus programs are much more detailed and powerful than the anti-virus programs that many consumers have protecting their computer systems. Because the fallout from a virus attack is much more financially damaging to a large corporation, the virus protection program needs to be much more robust and capable of protecting multiple systems within the corporation. Computer viruses are a hot topic among businesses simply because of the way that they can affect the company financially.

Now you can understand why there's a growing interest in computers. When people start looking for more information about computers, you'll be in a position to meet their needs.



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Monday, August 2, 2010

Feasting On Cookies

The only way to keep up with the latest about security is to constantly stay on the lookout for new information. If you read everything you find about security, it won't take long for you to become an influential authority.

You may not consider everything you just read to be crucial information about security. But don't be surprised if you find yourself recalling and using this very information in the next few days.

A “cookie” obtains information sent by a web server to be stored on a web browser so that it can later be read back from that browser. This becomes useful for having the browser remember specific information about a visitor to a particular website. The cookie is a text file that is saved in the browser’s directory and is stored in RAM while the browser is running. The cookie may also be stored on the computer’s hard drive once a user logs off from that website or web server.

Cookies can tell a web server if you have been there before and can pass short bits of information (such as a user number) from the web server back to itself the next time you visit. Most cookies last only until you exit your browser and then are destroyed. A second type of cookie known as a persistent cookie has an expiration date and is stored on your disk until that date. A persistent cookie can be used to track a user's browsing habits by identifying him whenever he returns to your web site.

Persistent cookies are stored in different places on your system depending on which web browser and browser version you are using. Netscape stores all its persistent cookies in a single file named cookies.txt on your computer. You can open and edit this file with a text editor and delete any cookies that you don't want to keep or delete the file itself to get rid of all of your cookies. Internet Explorer stores persistent cookies in separate files named with the user's name and the domain name of the site that sent the cookie.

One use of cookies is for storing passwords and user ID’s for specific websites. On sites with personalized viewing, your web browser will be requested to utilize a small amount of space on your computer’s hard drive to store these preferences. That way, each time you log on to that website, your browser will check to see if you have any pre-defined preferences (a cookie) for that unique server. If you do, the browser will send the cookie to the server along with your request for a web page. Common uses for which companies utilize cookies include: on-line ordering systems, site personalization, and website tracking.

Cookies have some beneficial things. Site personalization is one of the most beneficial uses for cookies. You must have also seen in some websites that when you log in (using a User ID & Password), there is an option for ‘remember me when I visit next time’; that’s possible because it stored your password and id on your machine in a cookie.

Now might be a good time to write down the main points covered above. The act of putting it down on paper will help you remember what's important about security.



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For help on any Computer Consulting related issues contact us immediately, we can help.
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For help on any Computer Support related issues contact us immediately, we can help.