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macOS virtualisation refactored and sandboxed in Viable updates

Refactored for a smoother experience and with control over shared folders, Viable beta 7 now has a sandboxed and locked-down sibling ViableS, ideal for research.

December 28, 2022 Macs, Technology, Updates

What’s in an app’s signature?

App signatures are about more than just the certificate. That provides a chain of trust going back to Apple, and supports integrity checks and entitlements.

March 8, 2022 Macs, Technology

Can you back up iCloud documents?

iCloud Drive just works. Time Machine just works. So Time Machine should back up the contents of your iCloud Drive? Maybe not.

February 21, 2022 Macs, Technology

What else changed in Big Sur 11.5.2 update?

Despite its lack of security release notes, the 11.5.2 update contains new versions of several important security executables, including spctl, sandboxd and syspolicyd.

August 18, 2021 Macs, Technology

A Short History of Malware Protection in macOS

From the start of voluntary code signing in 2007, defences against malware in macOS have changed dramatically. Here’s an overview of what has happened.

July 26, 2021 Macs, Technology

Last Week on My Mac: Deceived by the Finder

Where does Apple warn the user that four stray files in an unprotected folder are specially protected by the Sandbox kernel extension?

March 8, 2020 Macs, 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

Last Week on My Mac: Catalina users caught in a game of chance

T T Read More

When it comes to basics, we like consistency. Imagine what life would be like if every so often […]

January 5, 2020 Macs, Technology

Last Week on My Mac: Welcome to the managed environment?

It’s not very often that we see the birth of a whole new subsystem both in macOS and iOS, but RunningBoard is brand new with 10.15 and 13.

November 10, 2019 Macs, Technology

Hardened runtime, sandboxing and XPC services

Jeff Johnson of @lapcatsoftware has just published an excellent technical article looking at controversial issues over hardening, sandboxing, […]

November 7, 2019 Macs, Technology

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