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Protection of data stored in the cloud

  • US 9,954,828 B1
  • Filed: 03/15/2016
  • Issued: 04/24/2018
  • Est. Priority Date: 03/24/2014
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a client device that is configured to receive a credential from a customer who uses a cloud application hosted by a cloud computer system, to forward the credential to a remotely located intermediary computer system, to run a cloud application client, and to forward plaintext data from the cloud application client to the intermediary computer system;

    the intermediary computer system that is configured to receive the credential, to receive the plaintext data, to locally generate a plaintext encryption key for the customer, to use the plaintext encryption key to encrypt the plaintext data into encrypted data, to use the credential to encrypt the plaintext encryption key to generate an encrypted encryption key, to forward the encrypted encryption key to a remotely located key server computer system, and to forward the encrypted data to the cloud computer system; and

    the key server computer system that is configured to receive the encrypted encryption key and to store the encrypted encryption key.

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