![]() ![]() When a packet of information attempts to enter the network, the firewall determines if it is legitimate or not. What is a Network Firewall?Ī network firewall is typically the first line of defense a business or home network has against external threats. To mitigate this threat, organizations have a number of tools at their disposal, and perhaps the most critical one is a network firewall. Major network breaches are an all-too-common occurrence these days, and all it takes is one hacker or disgruntled employee leaking data to lead to years of headaches for a business.
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