No firewall? You’ve already been broken into
Listen to this TipIf you have a high speed Internet connection and you don’t have a firewall, there’s a good chance that your computer has already been broken into. Firewalls allow you to safely get online yet protect your network from outsiders. If you don’t have a firewall, go get one right now and make sure it has wireless networking, or wifi, built in so that you can connect other devices.
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