System for detecting information leakage in outbound e-mails without using the content of the mail
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United States of America Patent
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Aug 23, 2011
Grant Date -
Sep 10, 2009
app pub date -
Mar 9, 2009
filing date -
Mar 10, 2008
priority date (Note) -
In Force
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Abstract
A system for detecting information leakage in e-mails using neural network and support vector machines is provided. This system does not use the content of the e-mail or the content of the attachments in the e-mail. Instead, a set of non-sensitive variables or attributes is picked from the e-mails originating from a given establishment and also from the profiles of the users sending those mails. The said attributes are extracted for all outbound mails. This extraction process does not involve reading the main text of the mail and thus the sensitivity of the mail information is protected. These attributes are chosen using filters built into the detection hardware. Neural networks and support vector machine built into the detection hardware are then used on these attributes to detect pattern violation and possible information leakage.
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