Should you install, re-install, or clean (re-)install macOS? Why, how to, and what they entail.
Disk Utility
Disk Utility claims to perform secure erase on SSDs, but does no such thing. Here are workarounds to do what it doesn’t, and details of a bug preventing encryption of APFS volumes.
Can you trust Disk Utility to securely erase hard drives and SSDs? How to prepare your Mac’s internal storage before selling it, so you don’t give your bank details away with it. And much more.
I was replying to a tweet when the display suddenly went black. Was my iMac Pro dead, or just auto-rebooting after a kernel panic, and why?
Why might we want to repair permissions, and how does it differ now from what is used to be? As shown in a clear diagram.
High Sierra 10.13.4 may have stopped leakage of APFS encryption passphrases, but that is only a small part of an accident chain going back many years.
I wrote yesterday that macOS High Sierra 10.13.4 finally fixes the leakage of APFS encryption passphrases into the […]
The latest update to High Sierra, bringing it to 10.13.4, does fix the bug discovered by Sarah Edwards […]
Did Apple keep quiet for more than 3 months about the leak of encryption passphrases into High Sierra’s log files?
I previously described a serious vulnerability in macOS High Sierra versions to 10.13.1 which was discovered by Sarah […]
The Eclectic Light Company 