Viruses are dangerous. They are built in such a way that once they get inside your computer, they steal all your personal information like bank account passwords, credit card details. To protect yourself from becoming victims to these demon tools, you can use the services of any antivirus program. These antivirus programs are categorized in three types: online scan, systems scans and real time shields. Some of the antivirus programs are free, which provide moderate security to a home based PC user. If you are looking for comprehensive security cover then you can purchase any of the paid antivirus like eset antivirus.
The three types of antivirus
Online scanner: These are basically web based online scanners that can be used to scan a single file. They are well synced with multiple antivirus databases ensuring that you have the latest antivirus security. These online scanners ate normally free and you can use them as many times you can. They can come quite handy if you don't have an anti virus program installed in your computer. The biggest drawback of these online scanners is that they cannot scan your complete system. They only have the capability of scanning files but not the whole system. So if you don't have Internet connectivity, then you will not be able to check the infected files.
System scan: A system scan can be used to scan the computer with any possible infection. There are multiple options for purchasing a system scanner software. Some are paid like avg antivirus, avast pro antivirus that can come quite useful when scanning your computer and destroying any possible infection. These applications are perfect for home based users who need moderate securit.
Real time virus scan: System scan require manual scan of the computer. In a real time based virus scan, it is all done automatic. All you need to do is to schedule the scan and the areas of your PC, which you want to scan. If you want a regular scan, then you need to set up a daily scan schedule.
The antivirus application will sweep your hard drives, will inspect all the websites you visit, scan your email and the downloaded software. However, none of the real time virus security providing software are free. Paid antivirus like eset antivirus, comodo antivirus and avast pro antivirus are some of the application that provide comprehensive security to the user.