Apple has released Mac EFI Security Update 2015-002 for OS X 10.9.5 Mavericks, which addresses an issue where the EFI (Extensible Firmware Interface) could potentially be overwritten without authorization. This update is available as a direct download as well as via Software Update. (Free, 82 MB, 10.9.5)
Subscribe today so you don’t miss any TidBITS articles!
Every week you’ll get tech tips, in-depth reviews, and insightful news analysis for discerning Apple users. For over 33 years, we’ve published professional, member-supported tech journalism that makes you smarter.
Registration confirmation will be emailed to you.