Published May 31, 2019
After celebrating Apple's latest update package, including MacOS Mojave 10.14.5, the company has released other minor update targeting for specific MacBook Pro users. Apple suggests that all MacOS users download and install the new additional update to take advantage of the latest security protections.
What's in this latest update? The details are not quite clear; After nearly a week since the patch was released, Apple has not updated its security information website with any details. Instead, the company simply said that the patch fixes "firmware issues" in the T2 Security Chip found in the central 15-inch MacBook Pros.
The T2 chip is a separate coprocessor in these MacBooks that use their own secure system to offer a wide range of key features and functions to users. The sensitive nature of the data it handles means that it must remain locked down, similar to the way the Secure Enclave works on iOS devices. A firmware problem can potentially allow arbitrary malicious code execution, theft of secure user information, or other critical issues. While details are still under-packed at Apple, the update is available for download now.
MacOS users on the MacBook Pros should check for updates and install the add-on patch as soon as possible to continue maintaining these critical defenses for the machine.