Firewall:

Computer systems are under the constant attack from viruses. If a computer is connected to the Internet with a Broadband connection, then the risk of a virus attack is very high nowadays. And here comes the firewall to secure our netwroks and PCS.

Firewall comes in form of Software and Hardware too. We can download these Firewalls from the Internet free of cost. This makes the protection of emails and passwords safe. We can easily save our selves from hackers and viruses.


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