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Detection of fraudulent account usage in distributed computing systems

  • US 10,708,300 B2
  • Filed: 03/09/2017
  • Issued: 07/07/2020
  • Est. Priority Date: 10/28/2016
  • Status: Active Grant
First Claim
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1. A method performed by a computing device in a distributed computing system having a plurality of servers interconnected by a computer network to provide a computing service, the method comprising:

  • receiving, via the computer network, data representing a report indicating fraudulent account usage related to an account of the computing service, the account having associated one or more content items accessible to users of other accounts of the same computing service; and

    in response to the received data representing the report indicating occurrence of fraudulent account usage of the account,disallowing access to any of the one or more content items associated with the account while maintaining the account as active such that the one or more content items are shown as present in the account but access by the users of the other accounts to view or download the one or more content items is disallowed, including;

    receiving, from a user, an access request to access the disallowed one or more content items associated with the account; and

    in response to receiving the access request,indicating, to the user, that the account is a valid account;

    providing, to the user, a list of the one or more content items associated with the account; and

    preventing any of the one or more content items in the list from being viewed or downloaded by the user;

    collecting usage data related to the account or the content items associated with the account while the content items are shown as present in the account but the access to view or download the one or more content items in the account is disallowed;

    developing a model representing an activity profile of accessing the account or the content items associated with the account based on, at least in part, the collected usage data while access to view or download the one or more content items is disallowed while the account is maintained as active; and

    detecting and deactivating one or more additional accounts of the computing service that are related to the reported fraudulent account usage based on the developed model without scanning one or more content items in the one or more additional accounts.

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