Method and apparatus for detecting unauthorized bulk forwarding of sensitive data over a network
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United States of America Patent
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Mar 3, 2015
Issued Date -
N/A
app pub date -
Sep 5, 2012
filing date -
Jun 12, 2012
priority date (Note) -
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Abstract
Methods and apparatus are provided for detecting unauthorized bulk forwarding of sensitive data over a network. A bulk forwarding of email from a first network environment is automatically detected by determining an arrival rate for internal emails received from within the first network environment into one or more user accounts; determining a sending rate for external emails sent from the one or more user accounts to a second network environment; and detecting the bulk forwarding of email from a given user account by comparing the arrival rate for internal emails and the sending rate for external emails. The bulk forwarding of email from a given user account can be detected by determining whether statistical models of the arrival rate for internal emails and of the sending rate for external emails are correlated in time.
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