The security flaw could allow attackers to install malware able to survive hardware formatting.
The first update for the new Mac Pro offers stability and power management improvement during the boot process and when using Boot Camp.
Firmware updates address a rare issue that could prevent booting for systems with excessively used batteries.
A new firmware update for mid-2012 MacBook Airs fixes Thunderbolt-related freezes and other problems.
The latest round of Apple EFI firmware updates tackles Thunderbolt, sleep, and Wi-Fi issues.
Apple's firmware password security is greatly enhanced in recent Mac models, making it a rather robust security feature.
Updates address hangs during heavy CPU loads and more.
Creating workarounds for unsupported text characters, and more covered in this week's Q&A.
The boot drive's format and partition structure can be checked both in the OS X graphical interface and in the Terminal.
If you have a server or other remotely accessed Mac, you can use a couple of approaches to encrypt the hard drive.