You try to open an app on your M1 Mac, only to see an alert telling your that you don’t have permission to open it. Only that isn’t the reason.
I hope that you enjoyed Saturday’s Mac Riddles, episode 81. Here are my solutions to them. 1: I’m […]
Final in series. Examines how the hardened runtime controls access to protected private data and services, and how some use private entitlements.
If you’re using Catalina or Big Sur, you should by now only be obtaining apps from four sources: […]
Why does it take 2 years to realise that macOS has been checking signing certificate validity online?
How Catalina and Big Sur handle the first run of apps which have their quarantine flag set. With details of log entries seen in both steps needed for approval.
How macOS checks executable code before it’s loaded and run, in macOS 10.15 and 11.0. Covering integrity checks using hashes, and validity of the signing certificate, on Intel and ARM.
Although most were worried about Apple’s failure to deliver upgrades to Big Sur, the most serious problem left many users unable to launch any apps.
Thirty years ago, many Macs were hit by the Wdef virus, which exploited a vulnerability which remains today: it travelled in an extended attribute. Should we be worried now?
Apple seldom posts Support Notes to guide many users to solve problems, but prefers them to access Apple Support one at a time. Why this inefficiency?