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T2

Which firmware should your Mac be using? (version 9, Sequoia)

Full details of firmware installed by macOS Sequoia on supported Macs, including on remaining Intel model without a T2 chip, T2 and Apple silicon Macs.

September 23, 2024 Macs, Technology

How long does Apple support Mac firmware?

How long does Apple continue to provide firmware updates for a model once it has been introduced? Results from 40 different models since 2009.

August 6, 2024 Macs, Technology

Firmware matters

All about Mac firmware, from PowerPC Open Firmware to Apple silicon’s LLB and iBoot, and what the rules are for updating firmware.

June 24, 2024 Macs, Technology

A brief history of Mac enclaves and exclaves

T1 and T2 chips in Intel Macs, integral in M-series chips, used in Sequoia’s virtual machines at last, and an essential feature in Private Cloud Compute.

June 15, 2024 Macs, Technology

Last Week on My Mac: Looking back from the future

Two watersheds that could occur in macOS 15: that it only supports Macs with Apple chips including an Arm processor, and that it opens access to older versions of macOS on Apple silicon.

June 2, 2024 Macs, Technology

Will your encrypted data be safe in future?

How will quantum cryptography and the ease with which it should break current methods of encryption, affect the security of data on my Mac?

May 28, 2024 Macs, Technology

How secure is Secure Erase (EACAS)?

Could old images be retained on a device or your Mac after you had securely erased it using Erase Assistant?

May 23, 2024 Macs, Technology

How FileVault passwords work, and are they now vulnerable?

Recent oddities with FileVault Recovery Keys, and a new exploit GoFetch, raise concerns over how secure FileVault protection is.

April 3, 2024 Macs, Technology

What makes a disk bootable?

Simply having a boot volume group with a System snapshot in it won’t get your Mac to start up from that disk, particularly if it’s an Apple silicon model. Some details.

March 16, 2024 Macs, Technology

Solving login password problems

T T Read More

What do you do when your Mac refuses to log you in because it thinks your password is incorrect? Don’t rush or panic, but follow these steps.

February 28, 2024 Macs, Technology

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