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Citrix Assigned Patent

Layers of security to file storage by external storage provider

Citrix Systems, Inc., Fort Lauderdale, FL, has been assigned a patent (8,443,456) developed by Robert van der Linden, Cambridge, UK, for "providing multiple layers of security to file storage by an external storage provider."

The abstract of the patent published by the U.S. Patent and Trademark Office states: "A method that may include detecting, by a processor of a computing device, a network communication regarding transmission of a file to an external storage provider. The method may include causing encryption of the file to obtain an encrypted file, and associating authorization information with the encrypted file. The authorization information may include one or more restrictions on access to the encrypted file. The method may include transmitting the encrypted file to the external storage provider, and intercepting a request for access to the file. The method may include identifying requestor information regarding a requestor associated with the request, and determining, using the requestor information and a portion of the authorization information, that the requestor is authorized to access the encrypted file. The method may include causing decryption of the encrypted file to obtain the original file, and providing, to the requestor, by the processor, access to the original file."

The patent application was filed on May 10, 2012 (13/468,603).

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