Microsoft Technology Licensing, LLC

Yuxiang Xu

Eliot Carleton Gillum

Krishna C Vitaldevara

Mihai Costea

Aleksander R Kolcz

Jason D Walter

Douglas John Hines

Samuel Terrence Trim

Aby John

Harsh Satyanarayan Dangayach

Aaron J Moreau-Cook

A list of electronic mail (e-mail) accounts is extracted from an electronic mail system. A list of electronic mail accounts, with forwarding enabled, are identified as a set of collection accounts. A dropbox account is identified, from the collection accounts, as a destination e-mail account for the forwarded collection accounts. The collection accounts that forward to the dropbox account that has in excess of a threshold number of collection accounts forwarding to it, are identified as malicious e-mail collection accounts and are forwarded to a resolution system, for resolution.

Identifying user behavior in a distributed computing system

Campaign detection techniques are described. In implementations, a signature is computed for each of a plurality of emails to be communicated by a service provider to respective intended recipients. A determination is made that two or more of the plurality of emails is similar based on the respective signatures. Responsive to a finding that a number of similar emails exceeds a threshold, an indication is output that the similar emails have a likelihood of being involved in a spam campaign.

Campaign detection

Growing community of inventors

El Macero, CA, United States of America

Yuxiang Xu