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security

macOS 10.15 Catalina Supplemental Update is now available (updated)

Apple has today released macOS 10.15 Catalina Supplemental Update, which contains bug fixes and other improvements. It’s just […]

October 15, 2019 Macs, Technology, Updates

Apple has added a new security database to Catalina, bringing 3 updates

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Added support for this new security database in new versions of SilentKnight, LockRattler and silnite.

October 14, 2019 Macs, Technology, Updates

Has Apple just pushed the first Catalina-only security update?

Apple has just pushed a security update which is new to Catalina systems: Gatekeeper Compatibility Data 1.0. Several […]

October 11, 2019 Macs, Technology, Updates

How Catalina handles app first run

How have checks of notarization changed what happens when you open a quarantined app in Catalina? What does XProtect do?

October 10, 2019 Macs, Technology

A gap opens in EFI firmware, leaving Sierra in doubt

For the moment, firmware versions for updated Macs are different between those running Catalina, and those running Mojave earlier. How could this affect Sierra, though?

October 9, 2019 Macs, Technology

Which EFI firmware should your Mac be using? (version 4)

macOS 10.15 Catalina brings EFI firmware updates for all supported models, and subsequent updates have changed those for […]

October 8, 2019 Macs, Technology

What to do when a newly-installed app can’t be opened?

Yesterday, I explained how you can ensure that macOS 10.15 Catalina will open an app which doesn’t meet […]

October 5, 2019 Macs, Technology

How has XProtect changed?

Apple’s pushed update to XProtect’s data a couple of days ago is one of the most substantial since […]

October 3, 2019 Macs, Technology

Apple has pushed updates to XProtect and MRT

Apple has pushed two updates today, to the data files used by XProtect, bringing its version number to […]

October 1, 2019 Macs, Technology

Last Week on My Mac: Hollywood’s lessons

What should we learn from the “mysterious data corruption issue” which struck down Mac Pros used in editing studios?

September 29, 2019 Macs, Technology

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