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Delayed replication for protection of replicated databases

  • US 10,440,039 B1
  • Filed: 06/26/2018
  • Issued: 10/08/2019
  • Est. Priority Date: 11/09/2015
  • Status: Active Grant
First Claim
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1. An apparatus for providing protection for a plurality of data servers configured to provide data replication for a database, the apparatus comprising:

  • at least one processing circuit, including a programmed computer, configured to;

    receive a record that specifies a possibly malicious modification performed on a first version of the database stored on a first data server of the plurality of data servers;

    delay replication of the modification indicated by the record in at least a second data server of the plurality of data servers for a length of time specified for the second data server in a security profile, wherein the length of time is set at least in part in response or relative to receipt of the record that specifies a possibly malicious modification;

    during the length of time in which replication is delayed, determine a probability that the modification indicated by the record is malicious based on respective quantizations of a first set of factors indicated in a security profile, the respective quantizations collectively exceeding a threshold level which is indicative of anomalous data access activity; and

    prevent replication of the modification indicated by the record on a second version of the database stored in the second data server in response to the threshold level being exceeded.

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