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System and methods for detecting malicious email transmission

US8931094B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8931094-B2
Application numberUS-201313848529-A
CountryUS
Kind codeB2
Filing dateMar 21, 2013
Priority dateAug 16, 2001
Publication dateJan 6, 2015
Grant dateJan 6, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A system and methods of detecting an occurrence of a violation of an email security policy of a computer system. A model relating to the transmission of prior emails through the computer system is defined which is derived from statistics relating to the prior emails. For selected emails to be analyzed, statistics concerning the selected email are gathered. Such statistics may refer to the behavior or other features of the selected emails, attachments to emails, or email accounts. The determination of whether a violation of an email security policy has occurred is performed by applying the model of prior email transmission to the statistics relating to the selected email. The model may be statistical or probabilistic. A model of prior email transmission may include grouping email recipients into cliques. A determination of a violation of a security policy may occur if email recipients for a particular email are in more than one clique.

First claim

Opening claim text (preview).

What is claimed is: 1. A method for monitoring transmission of email through a computer system, said computer system comprising a server and one or more clients having an email account, the method comprising: (a) gathering statistics relating to transmission behavior of prior emails relating to a first email account on said computer system; (b) generating a profile relating to the transmission behavior of email relating to said first email account based on said statistics, where…

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Frequently asked questions

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What does patent US8931094B2 cover?
A system and methods of detecting an occurrence of a violation of an email security policy of a computer system. A model relating to the transmission of prior emails through the computer system is defined which is derived from statistics relating to the prior emails. For selected emails to be analyzed, statistics concerning the selected email are gathered. Such statistics may refer to the behav…
Who is the assignee on this patent?
Univ Columbia, Univ Columbia
What technology area does this patent fall under?
Primary CPC classification H04L63/145. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Jan 06 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).