Security system for computer systems

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5859966
SERIAL NO

08541636

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A security system for a computer system imposes specific limitations on who has access to the computer system and to exactly what operations and data. Viruses are securely contained and prevented from expanding into areas where they can destroy stored programs or data. Viruses are also prevented from being introduced or executed in a large number of instances. The totality of computer functions is broken up into a set of events with an associated set of capabilities and different capabilities are assigned to each user depending on the particular job which that user is to do on the computer system. Also, security labels are placed on each data file and other system resources, and on each process. Further, a range of hierarchy/category labels (MAC labels) is assigned to each process to define a sub-lattice in which special capabilities can apply. Further, the hierarchy of labels is divided into a small number (for example 3) of regions, and a process operating in one region is generally not allowed to cross over into another region. Further, an owner of a data file is allowed to place restrictions on the file so that only users who posses certain privileges can gain access to the file.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
Data General CorporationWESTBORO, MA52

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hayman, Kenneth John Durham, NC 3 162
Keene, Michael Donovan Coral Springs, FL 2 125
Lewine, Eric Scott Apex, NC 2 115
Meyers, William James Research Triangle Park, NC 1 114
Spencer, Jon Frederick Raleigh, NC 1 114
Taylor, II Millard Cranford Chapel Hill, NC 1 114

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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Patent Citation Ranking

Forward Cite Landscape

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