Details of data files for MRT, XProtect, Gatekeeper and other security features in Big Sur. Covers both Intel and M1 Macs.
SIP
Why use them, which to use, what to do with large updates, how to avoid downloading some updates, how they work, error messages, and where to find more info.
Use the most recent macOS possible, don’t disable protection, beware of links, if you have to live dangerously, use a VM, and remove Flash now. Practical tips for all.
In the last few days, Apple has again changed its recommended procedure for resetting or repairing permissions on […]
Apple has changed its instructions for resetting/repairing permissions on your Home folder, and important cure for many problems.
The behaviour of quarantine flags, SIP flags, and the mysterious new com.apple.macl attribute, which never ceases to puzzle.
How does Catalina’s new privacy protection extend to folders such as ~/Documents? New information fills in detail.
Details of their locations, purposes, and the current installed version. These have changed a great deal since Mojave.
What to expect from the many changes to security and privacy in the first release of Catalina. How to run non-notarized apps, and more.
What should we learn from the “mysterious data corruption issue” which struck down Mac Pros used in editing studios?
The Eclectic Light Company 