Data leak protection
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United States of America Patent
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Nov 15, 2016
Issued Date -
N/A
app pub date -
Dec 16, 2015
filing date -
Jun 28, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods and systems for Data Leak Prevention (DLP) in an enterprise network are provided. According to one embodiment, a data leak protection method is provided. Information regarding a watermark filtering rule is received by a network security device. The information includes a sensitivity level and an action to be applied to files observed by the network security device that match the watermark filtering rule. A file attempted to be passed through the network security device is received by the network security device. A watermark embedded within the received file is detected by the network security device. A sensitivity level associated with the watermark is compared by the network security device to the sensitivity level of the watermark. When the comparison results in a match, then the action specified by the watermark filtering rule is performed by the network security device.
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