Windows is most used operating system in the world. If you are a Windows user, I’m sure you have at least once come across the word virus, Trojan, or malware.These can be considered your computer’s greatest enemies. If you want your system to be safe from such malicious intruders, you need to make sure to set up detailed safety measures on your computer. Hackers can attack your system by placing spyware or malware on your system, but you can prevent this by following some basic steps.

The first step is to set up a firewall on your system. Here are some useful information about firewalls and other anti-virus measures you should take.

What is a firewall?

To explain in brief, a firewall is a device or software set up that allows or denies the transmission of your network based on a set of rules. Firewalls protect your network from unauthorized access.

Firewalls can be either hardware or software. Hardware firewalls, such as routers are used to route the network path between you and other network connections – aka the Internet. It protects your network from other people on the Internet connecting to your computers. However, routers can only filter incoming traffic – its weakness lies in its inability to filter the outgoing traffic.

Software firewalls can also be used to monitor the network traffic.They protect your private network from malicious If your network being attacked by malicious programs, the firewall will warn you and also may attempt to block that connection. In windows, a firewall software comes in built. You can turn on the firewall for the sites you need to monitor. The firewall operates at a low level – as close to the network interface as possible. However, only a firewall cannot protect your computer, even they can monitor the network traffic as much as possible.

The next thing you MUST install before using your computer is an anti-virus.

What is anti-virus?

Anti-virus programs help in detecting and removing viruses, Trojans, malware etc. These programs run in real-time, meaning every file you access – both on your computer and the internet – is scanned to check whether it contains malicious content. It protects your computer by constantly monitoring your system. If you want your system to be secure, installing an anti-virus program is a must.

A variety of anti-virus programs are available in the market such as AVG, Norton, McAfee, Kaspersky, Avira Antivir, and Avast. If you are ready to pay, Norton 360 is highly recommended. However, Avast and AVG are highly up-to-par free antivirus programs, that are usually enough for the average user. In either case, the most important thing is to update your anti-virus software regularly.

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