Why does it take 2 years to realise that macOS has been checking signing certificate validity online?
If you were to strip unwanted code from a Universal App, would it still pass Big Sur’s strict security checks?
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.
Opens a window on all the new Platform Security settings of Apple Silicon Macs, and checks their iBoot firmware version. Minor tweaks for Intel users too.
macOS 11.0 Big Sur brings EFI firmware updates for all supported models. This article lists the firmware versions […]
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.
A summary of all the macOS updates released over the last three days, to help you catch up with any you’ve missed.
Apple has pushed two updates over the last 12 hours or so, to the data files used by […]
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?