When it comes to OS X, the cat is out of the bag.

Apple will probably spill the timetable and pricing of the next version of OS X on Monday at WWDC.

Previously unknown Mac OS X spyware, signed with a valid Apple Developer ID, has turned up on the laptop of an activist from Angola at a human rights conference in Norway.

Apple's next version of OS X will probably not include Siri, the digital, voice-activated assistant embedded in the iPhone and iPad, an analyst predicted.

Led by Windows 7, Microsoft's operating systems still control the enterprise, but the software giant's days of dominance are waning. As a recent Forrester report highlights, mobile devices and BYOD have made the state of enterprise operating systems far more complex.

The day it acknowledged company-owned Macs had been hacked using a "drive-by" Java exploit, Apple on Tuesday patched the Oracle software for older systems and released a malware detection tool.

Apple's OS X Snow Leopard, which shipped in August 2009, continued to resist retirement last month, new data from Web analytics vendor Net Applications showed.

Apple's Mac App Store has delivered more than 100 million downloads since launching in early January, the company announced Monday.  The Mac App Store is Apple's online retail outlet for PC applications for Macs running OS X 10.6 Snow Leopard or higher. While topping 100 million downloads is a far cry from the one billion downloads the iOS App Store sees every month, it proves the Mac App Store is popular with Mac users.

If you haven't synced your iPhone, iPod Touch or iPad in the last 24 hours, you've got a surprise waiting for you: Apple has released iOS 4.3, promising new ways to access iTunes content, a Wi-Fi personal hotspot option and improved browser speeds. If you want to find out how to activate all the new features on your device, here's your getting-started guide to get the most out of iOS 4.3.

Windows is on the verge of dropping below 90% market share, with smartphones and tablets posing an increasingly serious threat to Microsoft's dominance of the operating system market.

Perhaps you've heard that the Apple Mac OS X operating system is simply more secure by design and not prone to the security flaws and vulnerabilities that plague the dominant Microsoft Windows operating system? Well, don't believe the hype. Apple unleashed an update for Mac OS X this week which fixes a massive 134 vulnerabilities.

Not surprisingly, the misperception that Linux is harder to use than other operating systems is also one that competing vendors routinely use to scare potential new users away from Linux.