The best firewall will alert you when a connection attempt is made to or from your Mac, monitoring both incoming and outgoing connections, so that you can decide if it’s something you initiated and want to let through or not. This information can then be used by that person directly or sold online. If someone can get access to your system, through either hacking or the use of malware, such information, and much more, can be collected and taken.

Names, passwords, credit card details, contact lists, tax return information, and browsing habits are just a few of the things that can be used to make a quick buck by someone with malicious intent. You need a firewall because the information on your Mac is valuable, not just to you but to others as well. You’ve heard it before, but it’s worth repeating: The best security comes in layers. The focus of this article will look at one layer of security in particular, firewall software, and dissect the differences between Intego NetBarrier X9 and the firewall that’s built into macOS Catalina, Mojave, and High Sierra.Īpple’s Mac operating system, macOS, has a firewall built-in to prevent malicious incoming connections, and you may even be using it right now, but how does it compare to Intego NetBarrier? Do both firewalls offer the same protection or is one superior to the other? These are all great questions that we’ll clear up, but first, let’s cover some basic questions you may have about firewalls. Apple + Intego + Recommended + Software & Apps Intego NetBarrier X9 Compared to macOS Catalina’s Firewall

What is firewall on mac