Filtering hidden data embedded in media files
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United States of America Patent
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Jan 2, 2018
Issued Date -
N/A
app pub date -
May 23, 2017
filing date -
Apr 30, 2014
priority date (Note) -
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Abstract
Systems and methods for filtering unsafe content by a network security device are provided. According to one embodiment, a network security device captures network traffic and extracts a media file from the network traffic. The network security device then determines the presence of a hidden data item embedded in the media file in a machine-readable form. When such a hidden data item is identified, the network security device performs one or more actions on the media file based on a predefined security policy.
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