Security-evaluated operating system: Difference between revisions

Revision as of 11:50, 28 April 2022

Revision as of 00:40, 15 May 2022

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== Unisys MCP ==

The [[Burroughs MCP|Unisys MCP]] operating system includes an implementation of the DoD [[Trusted Computer System Evaluation Criteria|Orange Book]] [[Trusted Computer System Evaluation Criteria#C — Discretionary protection|C2 specification]], the controlled access protection sub-level of discretionary protection.<ref name="orangebook" /> MCP/AS obtained the C2 rating in August, 1987.<ref>{{cite book|publisher= National Computer Security Center|date=September 27, 1989|title= Final Evaluation Report of Unisys Corporation A Series MCP/AS Release 3.7 (CSC-EPL-87/003, Library No. S228,515)|publication-place___location=9800 Savage Road, Fort George G. Meade, Maryland 20755-6000MD|url= http://www.dtic.mil/dtic/tr/fulltext/u2/a208007.pdf}}</ref>

== Unisys OS 2200 ==

The [[OS 2200|Unisys OS 2200]] operating system includes an implementation of the DoD [[Trusted Computer System Evaluation Criteria|Orange Book]] [[Trusted Computer System Evaluation Criteria#B .E2.80.94 Mandatory protection|B1, Labeled security protection]] level specification.<ref name="orangebook">{{cite book|publisher=National Security Institute|year=1985|title=Department of Defense Trusted Computer System Evaluation Criteria (NSI 5200.28-STD)|url=http://nsi.org/Library/Compsec/orangebo.txt}}</ref> OS 2200 first obtained a successful B1 evaluation in September, 1989.<ref>{{cite book|publisher= National Computer Security Center|date=September 27, 1989|title= Final Evaluation Report of Unisys Corporation OS 1100 (CSC-EPL-89/004, Library No. S33,122)|publication-place___location=9800 Savage Road, Fort George G. Meade, Maryland 20755-6000MD|url= http://www.dtic.mil/dtic/tr/fulltext/u2/a234058.pdf}}</ref>

Unisys maintained that evaluation until 1994 through the National Computer Security Center Rating Maintenance Phase (RAMP) of the Trusted Product Evaluation Program.<ref>{{cite book|publisher= National Computer Security Center|date=July 26, 1994|title= Final Evaluation Report Unisys Corporation OS 1100/2200 (CSC-EPL-76/999, Library No. S225,nnn)|publication-place___location=9800 Savage Road, Fort George G. Meade, Maryland 20755-6000MD}}</ref><ref>{{cite book|publisher= National Computer Security Center|date=23 June 1989|title= Rating Maintenance Phase Program Document (NCSC-TG-013-89, Library No. S-232,468)|publication-place___location=9800 Savage Road, Fort George G. Meade, Maryland 20755-6000MD|url= http://securityv.isu.edu/isl/ncsctg13.html}}</ref>

== See also ==