What is the real-time file scanning system in Antivirus??

What is the real-time file scanning system in Antivirus??

Anti-Virus software is an application that prevents malicious programs, also known as virus that affects our PC. These viruses (also known under different names Trojan, Malware, Spyware, Blaster worm etc. according to its type) if not blocked right at the entrance might cause further harmful effects to your PC. These malicious programs can sneak into your PC as harmless file, however when it propagates its true color, It can completely paralyze your PC. You may be able to revive your PC, but maybe not those data that are dear and precious to you.

To prevent such harmful virus that evolves from day to day, just anti-virus software is not sufficient. It cannot fully combat the latest PC security threat available today. Therefore, just installing an anti-virus program does not mean that your PC is safe from such security threats.

Updating the software (anti-virus) with the latest virus definition is very much essential in order to let it fight with the potential threats that might compromise the smooth functionality of your PC. Without such updates, it is like having a gun without any bullets in them. These updates which are commonly known as anti-virus updates has virus definitions, those that can recognize the malicious codes that might affect the functionality of your PC.

Now, coming to the Real time scanning that you have often seen in the anti-virus software that you have used, is within the software and enables it to scan the system for potential threat on its own, automatically. It is different from the manual scanning in a way that with the former, you need not click on any button within the software to launch the scan. It runs on its own once you install the software.

Therefore, without having the latest virus definitions from the anti-virus software updates, you anti-virus software won’t be able to detect malicious code even if it scans the whole system. In other words, your anti-virus software or the security software does not have the necessary virus definitions to identify the malicious code that might be hiding within your PC.

By the way, when you run an update for your anti-virus software, it syncs with the developers database (anti-virus manufacturers).

Finally, Firewall within anti-virus software is like a fence within your household. It monitors both the incoming and the outgoing data from your PC. Most of the internet security software, for e. g. KIS ( Kaspersky Internet Security), NIS (Norton Internet Security) has built-in firewall in them.