Translations:AY Honors/Cybersecurity (SSD)/Answer Key/138/en
From Pathfinder Wiki
Using a firewall is also important when defending your data against malicious attacks. A firewall helps screen out hackers, viruses, and other malicious activity that occurs over the Internet and determines what traffic is allowed to enter your device. Windows and Mac OS X comes with their respective firewalls, aptly named Windows Firewall and Mac Firewall. Your router should also have a firewall built in to prevent attacks on your network.
