![]() Network-based threatsĪ firewall protects your computer from network-based threats.Īlmost all computers connected directly to the internet are under constant attack. The point of a firewall is to keep you from getting burned. Its purpose is to prevent engine fires from reaching you.Ī firewall for your computer is much the same, except the engine - the network you’re connected to - is always on fire. ![]() In your car, a firewall is the “wall” of metal between you and the engine. Those threats are stopped cold by a firewall. What’s a firewall?įirewalls defend against a class of network-based threat constantly (yes, constantly) attempting to attack your computer. Your router acts as a firewall, and the Windows 10 firewall is on by default. There are both hardware and software firewalls. This protects you from network-based malware. A firewall protects you from uninvited outside connections reaching your computer over the internet.
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