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Free firewall to hide your computer from hackers

Free firewall to hide your computer from hackers
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I'm sure you know that a "firewall" was originally the metal barrier separating you from the engine of your car. Now, it's used in relation to computers as well. A computer firewall serves a similar purpose to the one inside cars. It blocks dangerous or untrustworthy information packets from getting into your network.

You should always, always have a good firewall running. Without it, hackers can infiltrate your system, spy on you, upload viruses or steal your data. Usually, this takes a matter of minutes.

Windows comes with a decent firewall installed, but many people like using a third-party solution, like ZoneAlarm.

Next page: Find out more about this powerful firewall

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