As soon as our computer is connected to the Internet, the chances of its infection increase million of times. It is essential to use the safety measures to have our Internet secured. There are various ways for Internet security. However, my preference is to use the anti-virus software. Antivirus software is commonly known as virus scan software. The antivirus software uses the technique to find viruses, worms and spyware and remove them if possible or stop them from further infection. Antivirus software is often considered as safer, smarter and faster protection against cyber crime. Today, there are a lot of antivirus software, for instance, Norton, Kaspersky, McAfee, AVG. However, the purposes of all kinds of antivirus is common: to stop online dangers, to protect our PC against viruses, spyware, worms, trojans, bots, and dangerous downloads. There is a big competition going on between different antivirus companies. The range of protection given by different antivirus software varie...