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Multi-stage authentication of an electronic communication

  • US 10,693,880 B2
  • Filed: 11/27/2017
  • Issued: 06/23/2020
  • Est. Priority Date: 11/27/2017
  • Status: Active Grant
First Claim
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1. A method for authenticating electronic communications, the method comprising:

  • generating a whitelist database in association with at least one account of at least one recipient, the whitelist database including at least one identifying reference to a whitelist correspondent, the generating of the whitelist database including;

    receiving from the whitelist correspondent registration data comprising;

    identification of a first penalty;

    an authorization to impose the first penalty; and

    identifying information; and

    in response to the receiving the registration data, cataloging into the whitelist database, and in association with the identifying reference, identification data associated with;

    a whitelist correspondent device associated with the whitelist correspondent; and

    a whitelist correspondent address associated with the whitelist correspondent;

    generating a blacklist database in association with the account, the blacklist database including at least one blacklist correspondent address, the generating of the blacklist database including;

    identifying a property of the blacklist correspondent address, the property indicating that a communication originating from the blacklist correspondent address is unsolicited and malicious; and

    in response to the identifying, cataloging identification data associated with the blacklist correspondent address into the blacklist database;

    receiving an electronic communication submitted by a sender for delivery to the recipient;

    analyzing the content of the electronic communication for presence of identification data;

    upon determination that the electronic communication includes a minimum threshold of the identification data cataloged in the whitelist database, delivering the communication to the recipient;

    upon determination that the communication includes the identification data cataloged in the blacklist database, blocking delivery of the communication; and

    upon determination that the communication lacks the identification data cataloged in the blacklist database, and further lacks the minimum threshold;

    prompting the sender to submit supplementary data, the supplementary data comprising;

    identification of a second penalty;

    an authorization to impose the second penalty; and

    additional identifying information; and

    delivering the communication to the recipient only after;

    receipt of the second penality; and

    determining correspondence of the additional identifying information to the identification data associated with a whitelist correspondent;

    wherein the second penalty is selected from a plural itv of second penalties based at least in part on frequency of electronic communications from the sender to the recipient.

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