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Category Archive: Technology

Quarantine, SIP, and MACL: macOS per-file security controls

The behaviour of quarantine flags, SIP flags, and the mysterious new com.apple.macl attribute, which never ceases to puzzle.

January 30, 2020 Macs, Technology

File system funnies: how to put two TextEdits side by side

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What has happened in the Applications folder: two apps with an identical name? Isn’t it protected by SIP anyway?

January 29, 2020 Macs, Technology

What changed in the Catalina 10.15.3 update?

According to Apple’s release notes for the Catalina 10.15.3 update, there are only two changes which merit specific […]

January 29, 2020 Macs, Technology, Updates

Apple has released macOS Catalina 10.15.3, and security updates for Mojave and High Sierra

Apple has just released the update to bring Catalina to version 10.15.3, together with Security Updates for both […]

January 28, 2020 Macs, Technology, Updates

A Guide to Catalina’s Privacy Protection: 4 tccutil

Despite the lack of documentation from Apple, here’s a full rundown on the only tool provided to control privacy settings.

January 28, 2020 Macs, Technology

Solutions to Saturday Mac riddles 31

I hope that you enjoyed Saturday’s Mac Riddles, episode 31. Here are my solutions to them. 1: Pages […]

January 27, 2020 General, Macs, Technology

What could possibly go wrong on an app first run?

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App translocation, signature checks, XProtect and more explained, with key messages from the log to help you diagnose problems.

January 27, 2020 Macs, Technology

Last Week on My Mac: When more security subverts security

Using Little Snitch, this becomes unresolvable, as the app can’t complete first run checks, and every time you try, it’s translocated to a different folder, causing Little Snitch to block it again.

January 26, 2020 Macs, Technology

Saturday Mac riddles 31

Here are this weekend’s riddles to entertain you through family time, shopping and recreation. 1: We’re the boys […]

January 25, 2020 General, Macs, Technology

Preventing external displays from sleep can be crucial

Connecting external storage to the USB-C ports on an external display is a great idea until the display goes to sleep.

January 25, 2020 Macs, Technology

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