Bell LaPadula qauv hauv DBMS yog dab tsi?
Bell LaPadula qauv hauv DBMS yog dab tsi?

Video: Bell LaPadula qauv hauv DBMS yog dab tsi?

Video: Bell LaPadula qauv hauv DBMS yog dab tsi?
Video: Security Models Pt 1 Bell-La Padula and Biba (CISSP Free by Skillset.com) 2024, Kaum ib hlis
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Cov Tswb – LaPadula Model (BLP) yog lub xeev tshuab qauv siv los tswj kev nkag mus rau hauv tsoomfwv thiab kev siv tub rog. Cov qauv yog ib txoj kev hloov hauv lub xeev qauv ntawm txoj cai tswjfwm kev ruaj ntseg hauv computer uas piav qhia txog cov txheej txheem tswj kev nkag mus siv uas siv cov ntawv cim kev ruaj ntseg ntawm cov khoom thiab tshem tawm cov ntsiab lus.

Ib yam li ntawd, Tswb LaPadula * Kev Ruaj Ntseg yog dab tsi?

Cov Tswb - LaPadula Tsis pub twg paub tus qauv yog lub xeev tshuab-raws li multilevel kev ruaj ntseg txoj cai. Tus qauv yog Ameslikas tsim rau kev siv tub rog. Cov no khoom hu ua yooj yim kev ruaj ntseg khoom , - vaj tse , thiab kev txiav txim siab kev ruaj ntseg (ds) vaj tse thiab tau piav qhia meej hauv tshooj Theory hauv qab no.

Qhov thib ob, cov qauv kev ruaj ntseg sib txawv yog dab tsi? Lub DoD faib cov peev txheej ua plaub txawv qib. Nyob rau hauv qhov kev txiav txim siab los ntawm qhov tsawg kawg nkaus rau qhov rhiab heev yog cov hauv qab no: Unclassified, Confidential, Secret, thiab Top Secret. Mus los ntawm Tswb-LaPadula qauv , ib qho kev kawm uas muaj txhua theem ntawm kev tshem tawm tuaj yeem nkag mus rau cov peev txheej ntawm lossis qis dua nws qib kev tshem tawm.

Tsis tas li ntawd, vim li cas lub tswb LaPadula thiab Biba qauv hu ua dual?

(Points: 15) Teb:- Tswb - LaPadula qauv thiab cov Peb model yog hu ua dual qauv vim ob leeg no qauv muaj feem xyuam rau txoj cai nkag mus rau tsoomfwv lossis tub rog cov ntaub ntawv thiab qhov tseem ceeb ntawm ob qho no qauv yog nyob ntawm kev ncaj ncees ntawm cov ntaub ntawv.

Dab tsi yog qhov yuav tsum paub txog lub hauv paus ntsiab lus thiab yuav siv cov khoom sib cais li cas los tswj txoj cai no?

Kev sib xyaw ua ke < qib; chav tsev > hu ua classification or class of a piece of information. txhais tau tias cov neeg yuav tsuas yog muaj kev nkag mus rau cov ntaub ntawv uas lawv xav tau txhawm rau ua lawv txoj haujlwm. tus siv ntawm chav tsev pab rau yuam tus xav paub txoj cai.

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