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security

Please don’t delete your logs

Why do some Macs apparently not have Unified log files? Maybe it’s because they’re being deleted by a misguided housekeeping app. Here’s what is going wrong, and what you should do to avoid that.

January 28, 2025 Macs, Technology

What has changed in macOS Sequoia 15.3?

The macOS 15.3 update introduces Genmoji creation in Messages and other apps on Apple silicon Macs, and improves […]

January 27, 2025 Macs, Technology, Updates

Apple has just released macOS Sequoia 15.3, and security updates 14.7.3 & 13.7.3

Apple has just released the update to bring macOS Sequoia to version 15.3, together with security updates 14.7.3 […]

January 27, 2025 Macs, Technology, Updates

Apple has released an update to XProtect

Apple has just released an update to XProtect for all supported versions of macOS, bringing it to version […]

January 14, 2025 Macs, Technology, Updates

FileVault and volume encryption explained

How FileVault and APFS Encrypted are enabled and managed differently, and details of how they work internally. Concentrates on T2 and Apple silicon Macs, but also covers older Intel models.

January 10, 2025 Macs, Technology

Why XProtect Remediator scans now take longer

Scans used to take just a few minutes, but even on a fast M4 Pro now usually take more than half an hour. What is XProtect Remediator up to?

January 3, 2025 Macs, Technology

ICYMI: A selection of the best Mac articles from 2024

Sequoia boot volume layout, M4 CPU core management, SIP and csrutil, backup storage, Graphing Calculator and more.

December 31, 2024 Macs, Technology

XProtect ascendant: macOS security in 2024

After setting a record of 29 updates through the year, XProtect’s Yara rules have grown from about 195 in 167 KB of text to 328 in 921 KB. Here are other details for the other XProtects, Gatekeeper and more.

December 27, 2024 Macs, Technology

XProtect has changed again in macOS Sequoia 15.2

There are no changes for Sonoma and earlier macOS, and Sequoia 15.0-15.1.1 will also continue working as before. But 15.2 and later work differently, as explained here.

December 19, 2024 Macs, Technology

Apple has just released updates to XProtect and XProtect Remediator

Apple has just released updates to XProtect for all supported versions of macOS, bringing it to version 5284, […]

December 17, 2024 Macs, Technology, Updates

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