What Is a Firewall, and How Does it Work?

After some news about an interesting new iOS security feature, some potential malware, and a surprising move by Microsoft, we delve into firewalls. What is a firewall? How does it work? Why do you need one?

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• iOS 11.4 Disables Lightning Connector After 7 Days, Limiting Law Enforcement Access
• Cone of Silence (Wikipedia)
• Microsoft Office for Mac, iOS and Windows to Include JavaScript in Excel
• Beware! Dangerous Macro Malware Ahead
• Caution: Mac-specific Hack Tool Mettle Discovered
• Why You Need an Outbound Firewall
• What’s the Difference Between Incoming and Outgoing Firewall Protection?
• Understanding Security in NetBarrier
• What’s the Difference Between a Hardware and Software Firewall?

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