Why Is a Firewall Important?

Answer

In computing, a firewall is important because it protects networks from unauthorized access. On the other hand, it allows legal communications to pass unabated. The main aim of inventing firewalls was to keep away spies and prevent virus attacks.
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1 Additional Answer
Malware and viruses are one of the greatest enemies of any computer or programmable machine. Hence, because of this is important for an individual to protect their PCs from being attacked my viruses and malware. A firewall is the primary computer protection program that shields the computer from being attacked by viruses of any computer programs from being destroyed by malware and viruses. Therefore, at all times individuals should turn on their computers firewalls and ensure they have installed an antivirus to shield their machines from being attacked by viruses.
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