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Magnet Virtual Summit 2023

More Than Meets the Eye: Pushing Past Content and Metadata Values to Examine Video Files

Current approaches to examine multimedia files are largely reliant on the analysis of content (pixel values) and semantic metadata values. These approaches are often hampered by the ease in which these values are changed through transmission of files, editing. or intentional manipulation of metadata.
This presentation will explore a novel approach to examine video files which is focused on file structure, without the same reliance on pixel or metadata values. This approach has proven to be effective in identifying the source and authenticity of transmitted video files, including those where semantic metadata values have been altered (i.e Whatsapp, Signal, Telegram, Facebook). The practical application of this approach can also be used to rapidly identify camera original video files on devices (CSAM production) as well as identify the presence of deepfake videos.

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