When we speak about antivirus software,we think that a software that's remove viruses and protect the device from other malwares ( which is nothing but a lump of codes which automatically executed and damages and effect device's internal programs) and well that's true. You'll get all information about antivirus software like how it works or their vulnerability and more.
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What is AntiVirus
How does it detect malwareDifference between Antivirus software and FirewallTypes of Firewall
In simplistic words an antivirus is a program or set of programs that are perticularly designed to protect and prevent your device from infection by detecting and removing software viruses, and other malicious software like worms, trojans, adware, and more.
You may question that
why do I need Antivirus Software?
These antivirus tools are critical for users to have installed and up-to-date because a computer without antivirus software is same like a safe without any protection.
Also your device will be infected within minutes of connecting to the internet.
The bombardment of viruses and other malware is constant. So, to remain protected against the malwares you definitely need an Antivirus software.
- An antivirus software works by scanning files or codes which is already present in pc or flowing through your device network.
- Companies who create these antivirus program compile an extensive database of already known viruses and malware and teach them how to detect, flag, and remove them.
- You can also adjust settings so that your antivirus runs automatic scans of your computer for malicious files, you can also make it manual scans, which let you sit and see in real-time which malicious files were found and erased.
- Antivirus software when it is manual mode it first take your permission before executing any action.
- Most antivirus software companies provide you mostly same features and their antivirus software performs the same functions, so choosing between one brand and another shouldn't be that complex of a decision.
There are many misunderstanding among people as they consider antivirus software and firewall is same,as the features of firewall and antivirus matches.
But there are quite differences and similarities between these two.
Firewall is like a wall of fire ( actually a network security device) between trustworthy networks and suspecious networks,which keep watch on entering and exiting network traffic and figure out whether to allow or to block specific kind of traffic as per the defined set of security rules.
In firewall all data must pass through it and only authorized traffic should be allow to pass.
So,for this all your Firewall must be strong and secure.
| Antivirus |
Firewall |
- Antivirus is a program designed to protect a system from internal attacks from viruses, trojan horse, spyware etc
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- A firewall is a security network designed to protect the PC systems and networks from malicious attacks.
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- The main motive of an antivirus is to scan, detect, protect and remove any threat to the computer system
- Antivirus detect and precise any weaknesses found in the computer system.
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- The main motive of a firewall is to monitor network traffic and deny any unauthorized entry
- A type of firewall “packet filter” filters any incoming data packets in PC for suspicious contents.
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There are many types firewall available but to recognise which one is the best for your device,you must know what are their functions and limitations.
There are main three types of firewall they are:
Proxy server firewall
Packet filter
Stateful packet Inspection
Proxy server firewall:
- Proxy server firewall is in the top because as it is considered as most secure type of firewall.This firewall filters messages at the application layer to secure network resources. A proxy firewall, is also known as an application firewall,gateway firewall, limits the applications that a network can support, which increases security levels but can affect functionality and speed.
- Packet filters firewall is a network security technique which is used to control data flow from the network or to the network. It is a security mechanism that allows the movement of data packets across the network and controls their flow on the basis of a set of rules.
- Stateful packet inspection that aims to provide an additional layer of network security.It monitors the active connections on a network.The process of stateful inspection figure out which network packets should be allowed through the firewall by utilizing the information regarding active connections.
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