Oxygen rebreather diving sets have been involved in many diving deaths. They and layered security can be analysed using James Reason’s Swiss cheese model of causation.
Gatekeeper
How apps can opt to set the quarantine flag on files they create, and how macOS can override that to protect you.
Apple has updated XProtect so that it can detect the latest malware, ThiefQuest. Who will it benefit, though?
Who’s been ghost notarizing other people’s apps, and is Catalina wasting time to check whether shell scripts are notarized?
An explanation of the magic which takes place when you double-click a document, the things that can go wrong, and how to fix them.
What has happened in the Applications folder: two apps with an identical name? Isn’t it protected by SIP anyway?
App translocation, signature checks, XProtect and more explained, with key messages from the log to help you diagnose problems.
Using Little Snitch, this becomes unresolvable, as the app can’t complete first run checks, and every time you try, it’s translocated to a different folder, causing Little Snitch to block it again.
What’s changed in 10.15.2? One of Gatekeeper’s most important dialogs, which now suggests that notarized apps haven’t been notarized at all.
From launch, through security checks, TCC and privacy, RunningBoard, to memory management and the Main Event Loop. A comprehensive summary.
The Eclectic Light Company 