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keychain

How to copy login keychains that can be unlocked

Tahoe 26.4 broke the copying of login keychains. Apple has at last explained how you can copy them successfully, and what backup software needs to do. Explained in full.

October 2, 2026 Macs, Technology

Last Week on My Mac: Spinning plates

Seven burning problems, from encrypted login keychains to problems updating XProtect, have turned the last week into a plate-spinner’s nightmare..

September 27, 2026 Macs, Technology

How can you copy or restore keychains?

Login keychain behaviour changed in Tahoe 26.4, and now ties access to one Mac. That could cause problems, as the most reliable transfer is by two-Mac migration.

September 14, 2026 Macs, Technology

Keychain copying, migration and upgrading VMs

In Tahoe and later, using Macs with Secure Enclaves, copying the login keychain between them won’t work. But migration should be successful, and can also be used to create new VMs, such as Golden Gate.

September 11, 2026 Macs, Technology

A brief history of keychains

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From their origin with an email engine in 1993, to the addition of the more secure Data Protection keychain supporting passkeys and much more.

March 1, 2025 Macs, Technology

Is that authentication request genuine or fake?

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Authentication dialogs differ on Macs with Touch ID support, although they can still use a traditional format. Here are different versions of the dialog and explanations.

October 23, 2024 Macs, Technology

Inside Sequoia’s new Passwords app

Which passwords, passkeys, wi-fi passwords, and so on are supported by Sequoia’s new Passwords app? Where has Keychain Access gone, and do you still need it?

September 26, 2024 Macs, Technology

Does Sequoia’s Password app change keychains?

Differences between file-based keychains including the login keychain, and Data Protection keychain. How the Passwords app in Sequoia caters for the latter.

June 19, 2024 Macs, Technology

Ovid’s myths of macOS: password entry dialogs and the death of Semele

Killed by Jupiter’s thunderbolts when she insisted he proved his identity, this myth is a reminder that making something more secure isn’t always a good answer.

March 14, 2024 Macs, Technology

How to tell genuine password requests from fakes

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Malware tries to trick you into providing it your password. How to recognise genuine requests from those fakes.

March 8, 2024 Macs, Technology

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