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security

Last Week on My Mac: Checking code can take longer now

Stepping through the stages in security checks made on a notarized Mach-O binary command tool, in Ventura 13.4.1 2 years ago, and now in Sequoia 15.4.1.

May 4, 2025 Macs, Technology

Why some apps sometimes launch extremely slowly

Most could live with slight delays when launching major apps. But when they’re as long as 30 seconds, and it’s an Apple silicon Mac, an explanation is required.

April 30, 2025 Macs, Technology

How checking hashes can slow your Mac

SHA-256 hashes are used in code signatures and security as a means of identification and verification. They bring a substantial computational burden, and can be very slow in some Intel Macs. Plus a new version of Dintch for integrity checks.

April 28, 2025 Macs, Technology, Updates

Last Week on My Mac: Gone to launch

Why can apps take many seconds or even minutes to launch on some Macs? More results to puzzle and perplex, and a strategy to address the problem.

April 27, 2025 Macs, Technology

A brief history of code signing on Macs

From its introduction in Leopard in 2006, some were predicting no good would come of it. From 2012 it became important with Gatekeeper, then came notarization in 2018.

April 26, 2025 Macs, Technology

Apple has released an update to XProtect for all macOS

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

April 22, 2025 Macs, Technology, Updates

Why some apps launch very slowly

Opening Pages can take several seconds, and other apps can hang around for 30 seconds before they’re ready to use. Is it XProtect, online certificate checks, or what?

April 22, 2025 Macs, Technology

Apple has released macOS Sequoia 15.4.1 update

Apple has just released an urgent security update to macOS Sequoia to bring it to version 15.4.1. There […]

April 16, 2025 Macs, Technology, Updates

Apple has released an update to XProtect for all macOS

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

April 15, 2025 Macs, Technology, Updates

AppexIndexer build 8 has sort and search features

T T Read More

New version of app extension explorer offers 4 sort orders, adds support for UUIDs, and a ‘live’ search feature to find a UUID quickly and efficiently.

April 14, 2025 Macs, Technology, Updates

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