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Hostage system and method for intercepting encryted hostile data

  • US 6,721,424 B1
  • Filed: 08/19/1999
  • Issued: 04/13/2004
  • Est. Priority Date: 08/19/1999
  • Status: Expired due to Fees
First Claim
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1. A method for enforcing encryption key escrow in a protected network, comprising:

  • providing a server having a first connection to an external source of data, a second connection with the protected network, and a key escrow means;

    monitoring said first connection for a data transmission intended for a destination within the protected network at the server;

    determining whether the data transmission includes encrypted data; and

    if said data transmission includes encrypted data, determining whether an encryption key for decrypting said data is stored in the key escrow means; and

    preventing further transmission of the data transmission to the destination unless an encryption key associated with the destination is provided to the key escrow means.

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