Article: OS X Mavericks Metadata

Apple recently released the newest version of their desktop operating system, Mac OS X Mavericks. As a free update to all supported Apple desktops and laptops, a wide adoption rate was expected, and in fact it was estimated that within the first 24 hours, 5.5% of all Mac laptops and desktops were already running the new operating system. It becomes necessary for a forensic examiner to understand how changes to the file metadata system can be used as a source of new evidence during an investigation. In this article, I would like to cover two significant changes to the metadata generated by OS X Mavericks that, if properly preserved, can be a useful source of evidence.

There is a convenient feature in OS X Mavericks, which allows you to open a document that has been saved from an email, make a change to that document (applying a signature to a PDF for example), and “Reply” to the original email from within the preview app’s share function…

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