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What happens when you open a quarantined app?

Stepping through the key stages of opening an app in High Sierra. First, a ‘regular’ open, then with the quarantine flag, showing Gatekeeper checks and translocation.

August 3, 2018 Macs, Technology

A bug in signature-checking weakens most anti-malware tools

One of the basic checks which all malware protection should make is whether apps and other code have […]

February 22, 2018 Macs, Technology

What to do when a disk image won’t mount

You have double-clicked on a disk image, and macOS refuses. Here is what you can do to get that image to mount, even when it’s damaged.

February 6, 2018 Macs, Technology, xattr

macOS code signing and Gatekeeper ignore extended attributes

T T Read More

Gatekeeper doesn’t seem interested in extended attributes attached to the contents of signed apps – the signature remains valid. Could this be exploited?

January 27, 2018 Macs, Technology, xattr

Have you had Gatekeeper problems with my apps?

Test versions of LockRattler and T2M2 which shouldn’t have any problems getting out of Gatekeeper’s quarantine.

September 26, 2017 Macs, Technology

Xcode 8.3: better in parts, more confusing in others

Does Xcode 8.3 deal with the many problems in 8.2.1? Is Swift 3.1 much better than 3.0?

March 30, 2017 Macs, Technology

Making an Installer package the easier way

T T Read More

Another epic journey, this time to make an Installer package for my Blowhole command tool.

March 8, 2017 Macs, Technology

LockRattler 3, LogLogger 5d, and signature silliness

T T Read More

Two apps from the same developer, both reported as being validly signed. But Gatekeeper claims one is from an “unidentified developer”.

January 10, 2017 Macs, Technology

More fun scripting with Swift and Xcode: the signature shuffle

T T Read More

Another ‘scripting’ exercise in Swift starts with time wasted sorting out signing. But it does get better after that.

December 21, 2016 Macs, Technology

Is crapware now the price of blocking tracking?

T T Read More

Are advertisers now deliberately delivering unwanted crapware to those using ad and tracker blockers?

August 30, 2016 General, Macs, Painting, Technology

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