Northrop Grumman Systems Corporation

Gregory Eugene Dossett

William Edward Freeman

Daniel Jacques

Chimaeze Obinna Chikeka

Thomas Michael Moses

A system is provided for managing security rights of protected data having a plurality of security groups. The system comprises a client configured to generate the protected data, wherein a user of the client is a member of a subset of the plurality of security groups. The client comprising a key generator configured to generate a plurality of security group keys, wherein each membership key is associated with a security group selected by the user of the client and a combination key generator configured to generate a combination key based on the plurality of security group keys, wherein the client is configured to encrypt the protected data with the combination key.

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Eldersburg, MD, United States of America

Gregory Eugene Dossett