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Method for communication security and apparatus therefore

  • US 8,245,274 B2
  • Filed: 05/11/2010
  • Issued: 08/14/2012
  • Est. Priority Date: 07/25/2000
  • Status: Expired due to Term
First Claim
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1. A communications security system to prevent transfer of selected communication transactions from an untrustworthy network to a trustworthy network, comprising:

  • a server, connected to the untrustworthy network, that maintains a database of protection rules, each of which, when applied to a communication transaction, identifies that communication transaction to be a respective one of the selected communication transactions; and

    a portal, connected between the untrustworthy network and the trusted network, that;

    selectively transfers the database of protection rules from said server via said untrustworthy network;

    receives a communication transaction from the untrustworthy network for transfer to the trustworthy network;

    applies each of the protection rules to the received communication transaction; and

    prevents the transfer of the received communication transaction to the trustworthy network if a protection rule identifies the received communication transaction to be a respective one of the selected communication transactions.

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