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Securing storage units in a dispersed storage network

  • US 10,389,683 B2
  • Filed: 08/26/2016
  • Issued: 08/20/2019
  • Est. Priority Date: 08/26/2016
  • Status: Active Grant
First Claim
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1. A method for execution by a security module operating in a device of a dispersed storage network (DSN), the method comprises:

  • identifying a storage unit having a security risk based on an atypical functioning of the storage unit;

    determining a security risk level for the identified storage unit based on a scale of the atypical functioning;

    determining, based on the security risk level, a type of security response and a level of the security response;

    when the type of security response is a storage unit security response and the level of the security response is a first local level, instructing the identified storage unit to implement a read only mode, ceasing multiple phase write operations, and ceasing issuance of rebuild requests; and

    when the type of security response is a DSN security response and the level of the security response is a first network level, instructing one or more devices of the DSN to perform revoking one or more digital certificates of the identified storage unit and deleting one or more access permissions of the identified storage unit; and

    when the type of the security response is both the DSN security response and the storage unit security response, instructing the identified storage unit to implement the storage unit security response and instructing the one or more devices of the DSN to perform the DSN security response.

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