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Firewall protects users against viruses, e-mail spam and identity theft.
Firewalls provide protection against outside cyber attackers by shielding your computer or network from malicious or unnecessary network traffic.
Firewalls can also prevent malicious software from accessing a computer or network via the internet.
Firewall protects users against viruses, e-mail spam and identity theft.
Find out more on firewalls at: https://brainly.com/question/10410021