How to Prevent MacBooks From Being Hacked

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While Apple computers are not as prone to viruses as Windows-based PCs, they are still susceptible to hackers if they're used in an unsecured network. A public or open network allows other users to see your MacBook computer, and if the laptop's firewall settings are not enabled it is vulnerable to unauthorized access. Thankfully, the security preferences on Apple computers includes a built-in firewall that limits programs and users from accessing your computer, and also provides stealth mode to hide your computer while on a network.

  • Click "System Preferences" on the desktop dock, and click "Security." Alternately, click "Apple" at the top of the desktop screen, click "System Preferences" and click "Security."

  • Click "Start" in the firewall section to enable the laptop's firewall, and click the checkbox next to "Block all incoming connections." Alternately, click "Automatically allow signed software to receive incoming connections." The latter option protects your computer and is a little less rigid than blocking all incoming connections.

  • Click "Advanced" and click "Enable Stealth Mode." Click "Advanced" to apply stealth mode, and return to the main System Preferences window.

  • Click "Sharing" and de-select the checkbox next to "File Sharing." Close out of the window to apply the settings and exit.

References

  • Photo Credit Justin Sullivan/Getty Images News/Getty Images
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