The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 19, 2020

Filed:

Dec. 23, 2016
Applicant:

Retarus Gmbh, Munich, DE;

Inventors:

Martin Hager, Munich, DE;

Michael Grauvogl, Munich, DE;

Assignee:

retarus GmbH, Munich, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 12/58 (2006.01); G06F 21/56 (2013.01); G06F 16/28 (2019.01); G06F 21/64 (2013.01);
U.S. Cl.
CPC ...
H04L 63/145 (2013.01); G06F 16/285 (2019.01); G06F 21/56 (2013.01); H04L 51/04 (2013.01); H04L 63/1416 (2013.01); G06F 21/564 (2013.01); G06F 21/64 (2013.01);
Abstract

A method of detecting malicious electronic messages transmitted from at least one message sending device to at least one message receiving device includes: generating at least one signature for an electronic message; storing the generated signature in a data storage unit; determining whether the electronic message is malicious; if the electronic message is determined to be malicious, determining on the basis of the generated signature, whether electronic messages comparable to the determined malicious message were classified as non-malicious and transmitted to the message receiving device in the past; and if it is determined that electronic messages comparable to the determined malicious message were classified as non-malicious and transmitted to the message receiving device in the past, notifying the message receiving device about a potential threat. Also disclosed are a messaging server and a messaging system implementing the above described method.


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