If you have problems with an Internet-enabled program your business uses, your MacBook's built-in firewall may be blocking incoming connections, and you may also need to disable the built-in firewall ...

While the firewall in OS X is meant to be straightforward and simple, the idea of which settings are preferred can be a little confusing. Topher Kessler MacFixIt Editor Topher, an avid Mac user for ...

While the general consensus regarding whether a Mac is more secure than Windows leans toward Apple’s system, it doesn’t mean a Mac is still unable to be affected by hackers and malware; it's still ...

Mac OS X Lion: The built-in firewall utility in OS X is pretty powerful, but it doesn't offer a lot of configuration options if you want to tweak the settings. IceFloor is an app that allows you to ...

The built-in Mac OS X firewall provides the ability to block incoming connections, but it doesn't provide a transparent way to block outgoing connections. However, you can use Terminal to set your Mac ...

Lockdown, the open-source firewall app for iOS, is now available on the Mac. And just like the iOS version, it blocks all kinds of connections to trackers and other unwanted snoop-ware. Unlike ...

You don’t have to travel far or pay a fee to start protecting your Mac from break-ins. Take a quick trip to the Sharing pane in your Mac’s System Preferences, and there, with the click of a mouse ...

A few weeks back, after the Working Mac column about scanning your Mac for viruses I received an email message from Yolanda: Hope you can help your readers with something that I haven’t found. I’ve ...

Free Mac app LuLu allows you to control which apps can access the internet, adding an extra layer of security. LuLu's open-source approach provides a transparent approach to app security, and it even ...

A few Snow Leopard users have found that when some firewall settings (specifically stealth mode and logging) are changed they do not appear to be reflected in the System Profiler. Topher Kessler ...