To keep secure computer and personal data we have to know how virus can affect ours computer as well as how antivirus work to save our PC.
An anti-virus software program is a computer program that can be used to scan files to identify and eliminate computer viruses and other malicious software (malware).Anti-virus software typically uses two different techniques to accomplish this:
Examining files to look for known viruses by means of a virus dictionary
Identifying suspicious behavior from any computer program which might indicate...