A security breach at digital certificate provider Comodo has resulted in emergency updates for all operating systems and Web browsers, including Mac OS X, iOS, and Safari. Learn why digital certificates are so important, but also so problematic.

The new system-wide Auto Save feature of Mac OS X Lion is great for most people, but what about those of us who have taught ourselves to press Command-S reflexively in order to avoid losing work when applications crash? Many Tricks’s Lioness has a solution.

Subscriptions are coming to the iTunes Store in the next year, but if you think Apple is going to settle for simply copying other music subscription services, you’re not giving Steve Jobs and company credit for wanting to change the world.

The recent Mac OS X 10.6.7 update is causing problems for some Mac users who rely on OpenType PostScript fonts. If you’re experiencing problems, the best workaround is to downgrade to 10.6.6, and if you haven’t yet upgraded and rely on specific OpenType PostScript fonts, hold off on 10.6.7 for now.

Apple’s senior vice president of Mac Software Engineering, Bertrand Serlet, will be leaving Apple, to be replaced by Craig Federighi, vice president of Mac Software Engineering. Federighi, an alumnus of NeXT like Serlet, has spent the last two years managing the Mac OS software engineering group. Serlet said, “Craig has done a great job managing the Mac OS team for the past two years, Lion is a great release and the transition should be seamless.”

Despite speculation and errant information on Apple’s Australian Web site, the new MacBook Pros can drive only a single external monitor using Thunderbolt.

The coverage of the new Thunderbolt input/output port and Mac OS X Lion has been extensive, but we found a few elements that have been overlooked along the way.

Apple has released the developer preview of Mac OS X Lion, revealing a few more features, such as an improved Mail, wireless file copying between Macs with AirDrop, version control with Versions, and full-disk encryption with the all new FileVault.

The new MacBook Pro line retains its aluminum unibody design but features faster processors (quad-core for the 15- and 17-inch models), 10 Gbps Thunderbolt I/O, and new FaceTime HD cameras.

Is your recent MacBook Pro burning more battery power than it should? gfxCardStatus tells you whether the laptop is using the power-saving integrated graphics chip or the processor-hungry discrete graphics card, and can force one or the other to be active.

Those strange little boxes of pixels and squares you see in more and more places can now be decoded through an iSight or FaceTime camera in Mac OS X with QuickMark’s latest release.

Magic Mouse battery replacement for Mobee’s induction charger lasts only a week on a charge—but you probably won’t care, or even notice.

The Mac App Store has been out for only a week, but that’s long enough for our friends at Macworld to have put together a list of ten changes they’d like to see. In general, we agree with all of their suggestions and criticisms.

Does the Mac App Store mark a turning point in the constant tussle between those who want user interfaces to be entirely consistent and those who prefer the wild-and-crazy look? Does it matter? Adam thinks it does.

Well, that’s impressive, largely considering the fact that there are only “over 1,000” applications in the Mac App Store at the moment.