Vaccines are understood to be that ‘thing’ which helps you remain healthy physically. The ‘anti-virus’ (AV) is like the vaccine, it helps keep the computer healthy in operation. The various software negatively affecting your computer is called ‘malware,’ – malicious software, a term which includes a variety of viruses, worms and Trojan horses. This refers to any type of malicious software which your computer might get infected by. The reasons of getting this malware varies considerably, such as, (i) USBs sharing from one computer to another; (ii) downloading software or films from unknown servers from the Cloud; (iii) by surfing and going from one URL to another; (iv) receiving emails from unknown persons; (v) opening attachments from emails. Those who have fun in infecting other people’s computers are known as ‘cyber attackers.’ There are at least four openings which the malware may attack in your computer, namely, (i) executable files; (ii) scripts; (iii) macros and (iv) boot sector. However, with the help of an anti-virus in place and properly updated, together with the proper measures of safety, should keep you at bay from virus and various attacks. A good AV patrols your computer from the time you switch it on until powering off. The AV may control either the behavioural patterns of your computer or the Signature or characteristics of known programs. The aim of this article is not about how the AV works, but to highlight that each devise that is connected to the Internet must be protected firstly by a good AV and secondly, the owner must adopt a ‘best-practice’ approach to lessen the possibility of malware to infect the computer. One may also be tempted to install more than one AV software on the same computer. Actually, this is not effective at all, as this might create conflicts between the different AV software. Another way which you may have more protection is that you make all the necessary updates as you get them on your computer. Computer updates are patches which provide protection to your computer.
However, since the anti-virus is developed after the malware is out on leashed, the fear always remains that, first there is born the virus, and then the AV. Consequently, there is good reason not to be one of those millions of people around the world who would have to do ‘format’, or who would not be able to access any of his documents due to negligence for not purchasing a good AV software.