Nowadays the words ‘computer security’ are on every person’s mind who deals with computers. Everyone seems to be worried about some security concern with their computers. But what exactly does computer security mean?Simplified, it means keeping your computer and of course, its data secure and safe. In the present age, most of personal data are stored in the computer. But some of us don’t have the fundamental knowledge of keeping those data in safety. This basic knowledge is very simple; all you have to do is following some uncomplicated rules that will improve the security of your computer hugely. First of all let’s see what the internet connection is all about. We can take up a comparison- a computer with internet connection resembles your very own house.

You will come across two basic kinds of firewalls. Both of these (one, hardware and another, software) carry out the same task. Generally, a hardware firewall is included in your router in case you use one but you may not have a software firewall on your computer.Sometimes we quite foolishly let strangers come in. just opening an email or browsing the net can invite strangers. Your guards are often fooled by viruses, Trojans or spyware. Sometimes an email from your buddy can carry a fatal virus. So how does your computer fight these unwanted ‘guests’? - By installing anti virus software.In the present days, anti-virus falls under a huge category. Usually these packages or suites include a spyware scanner and a firewall. Although these guards are quite effective in their jobs, you are advised not to relax and rely completely on them.