An anti virus is a software build by programmers so as to heal infected data or helps to prevent virus entering your PCs. These programs are considered the weakest line of defense against viruses on a system that does not have memory protection, because in such an environment it is possible for a tunneling virus to bypass or disable them. Nowadays we have some antivirus that is free to use and others you have to buy licenses. Sometimes these licenses were expensive about more than $50 a single license. When you buy licenses, you encourage the company to do more research on the latest viruses on the net and also they provide you with a variety likes feedback or supplement support and an all in one packages that consist of the following features- antivirus, antispyware, firewall, anti-spam and other useful features to ensure your protection against threats online and offline. But if you can afford to buy licenses, then you can download a free trial one. It consists of using a full version of the software within a limited period. After the end of the period (30 days, 15 days or even 5 days) you will be prompt to register or buy license. If you do not enter a valid code license some features of the full version will be disabling or some antivirus software will prompt you to uninstall the software. On the other hand, there is the free one. The free one is comes only with essentials features that all free antivirus software have. Different package are propose to users so as to fit what type of security you need.
What is the different package of antivirus is fit for you?
Many antivirus companies propose different package of antivirus software.
Home user anti virus
Small and large business antivirus
Full internet security
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Home user antivirus
It consists of an optimal security that will ensure your security while surfing on the net, playing games online. You must keep in mind that this type of antivirus is an ideal one for gamers and other personal user. It is generally free as it consist only the essential features of classis antivirus.
Small and large business antivirus
It consists of advance security that will ensure more security online as it consist more option tools against viruses. The different between the home user and the business one is that the business may include a personal firewall that ensures businesses to protected them from attacks of hackers. How firewall works? It is a set of protocols set by antivirus software to manage or filter the incoming and outgoing connection. You have a total control of what programs are connected to internet as it prompt you to Allow or Deny before this application connected on the network. You can even save a current decision for trustful software. But if you are fear from hacker this is the idea package at an affordable price.
Full internet security
This package consists of full security online. Its features are a classic antivirus with personal firewall and some special features like phishing protection and more updates on latest viruses.
How does antivirus works?
While scanning, the antivirus will compare the database that it collects from “updates” to data that it scanning. It is recommended to update your antivirus database before performing a whole scan of the hard disk. But some antivirus comes with a small database that consists of the common virus likes Trojan house, worse and other earliest virus. But for better protection, it is advice to update your antivirus before performing a full scan because the update contains the latest database of virus.
A real time anti virus
This type of anti virus is commonly used nowadays. It act like “defender” against viruses and other malicious software like hack tools or cracks. As its name said “real time” , it scan data before it being open or even scan a folder before the user gain access to this folder. For example let say that you want to open document in “my documents” before the folder is opened, the antivirus will scan this folder to make sure that there were any threats. But if there is any suspicious file or data you will be prompt to take action against the infection.
Some antivirus that have a real time scan
AVG (both free and Pro Edition) - AVG Anti-Virus run immediately from the moment of installation. All basic settings have been pre-set by the manufacturer, so most of the time you will not have to worry about anything – just let AVG work in the background and protect you without any effort on your part. However, there might be situations where you need to adjust the program settings, or decide what to do with a virus infected file; this help system is here to provide detailed information and assist you with any task. With its resident shield protection, it protected at any time when the computer is ON.
