Troubleshoot Could Not Be Verified errors on macOS Big Sur, Monterey, Ventura, Catalina with proven fixes for updating or reinstalling macOS.
macOS Big Sur
[U] macOS Big Sur Update Fixes Security Vulnerabilities
Apple finally released a macOS Big Sur update, apparently addressing two security vulnerabilities that were patched in Monterey 12.3.1.
Apple Fails to Patch Big Sur and Catalina, Leaves Older Macs Vulnerable to Two Security Exploits
Apple has not issued security updates for macOS Big Sur and Catalina, leaving many older Macs vulnerable to two security exploits.
Installing macOS 12.3 Beta on Catalina FileVault Volume May Brick Your Mac
If you’re thinking about installing the macOS Monterey 12.3 beta, make sure you don’t do so on a Catalina FileVault volume.
macOS Big Sur 11.6.1 Fixes Many Security Woes
It wasn’t just Monterey that released this week. Fixing a variety of security issues, macOS Big Sur 11.6.1 is also available.
Mac Users Report Seeing a 'Device Support Update' Today
People are reporting seeing a Mac device support update on Thursday. The update doesn’t share a lot of details.
Apple Releases Security Update for macOS Big Sur, macOS Catalina
Alongside its security updates for watchOS, iOS, and iPadOS, Mac users are receiving a macOS Big Sur 11.6 update and one for macOS Catalina.
The Secret Security Features in macOS Big Sur
There are security features that Apple tells us about on stage at keynotes, and then there are hidden improvements it doesn’t mention.
macOS has gradually made the UNIX security model irrelevant. For example, even the superuser is only allowed to access the private documents of a regular user with the user’s permission—permission that is given on a per-application basis, through that protector of users and bane of developers known as the Transparency, Consent & Control (TCC) framework.
Scheduling Do Not Disturb for macOS
A Quick Tip from Mac Geek Gab 880: Scheduling Do Not Disturb can help re-enable it on macOS so you don’t forget.
macOS Big Sur 11.5 Brings Modest Update With Big Fixes
Apple has released macOS Big Sur 11.5 alongside iPadOS 14.7, and it’s a modest update that brings big fixes and improvements.