TOPIC LATTICE-BASED ACCESS-CONTROL MODELS Ravi Sandhu LATTICE-BASED MODELS Denning's axioms Bell-LaPadula model (BLP) Biba model and its duality (or equivalence) to ...
Bell-LaPadula model. Works well in organizations that focus on confidentiality. Biba model ... for Network Security by Catherine Paquet and Warren Saxe, Cisco ...
Di :M.Antonietti E Lapadula E Morra Che il turismo sia un fenomeno in forte espansione, protagonista di un ruolo economico di primo piano, lo sa chiunque abbia ...
Denning's axioms and lattices. Bell-LaPadula model (BLP) Integrity and information flow ... Tranquility (most common): SECURE. label is static for subjects and objects ...
Last Lecture. Bell LaPadula Confidentiality. Lattice of security levels. No read up. No write down ... Integrity is not just a property of the information system ...
Goal: prevent the unauthorized disclosure of information. Need-to-Know ... Add compartments and discretionary controls to get full dual of Bell-LaPadula model ...
Bell-LaPadula information protection system prevents individuals from accessing information at a higher ... study of new complex functionalities, mainly presence-based features ...
Prevent the unauthorized disclosure of information ... CONFIDENTIAL Claire,Clarence Activity Log File. UNCLASSIFIED Ulaley, Ursula Telephone List File ...
Mandatory Flow Control Bismita Srichandan * * * * * * * * * * Outline Mandatory Flow Control Models Information Flow Control Lattice Model Multilevel Models The Bell ...
Title: Usage Control: A Unified Framework for protecting Digital Information Author: Jaehong Park Last modified by: GMU Created Date: 3/2/2002 4:20:07 PM
Title: PowerPoint Presentation Last modified by: ajena Created Date: 1/1/1601 12:00:00 AM Document presentation format: On-screen Show (4:3) Other titles
MANDATORY FLOW CONTROL Xiao Chen Fall2009 CSc 8320 * INDEX Section One: Basic Introduction Mandatory Flow Control Models Information Flow Control Lattice Model ...
SFGR: Secure Groupware for First Responder C. Edward Chow Chip Benight Ganesh Godavari Goal of SGFR SGFR: Secure Groupware for First Responder: The goal is to design ...
Title: Computer Security: Principles and Practice Subject: Chapter 10 Lecture Overheads Author: Lawrie Brown Last modified by: Lawrie Brown Created Date
Do not use Axiom 7-2. What is/are the main difference/s between the Chinese Wall model and the ... Give two security scenarios one where the CW model would ...
Overview Important components of computer security: User authentication determine the identity of an individual accessing the system Access control policies ...
Title: Protection Author: Luigi Logrippo Last modified by: Luigi Logrippo Created Date: 3/28/2001 5:12:12 PM Document presentation format: Affichage l' cran (4:3)
The solution is to allow the colonel to temporarily lower her clearance, then send the message. Why not just let her send the message to the lower clearance level? ...
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Title: Slide 1 Author: John Weigelt Last modified by: John Weigelt Created Date: 11/3/2005 4:21:29 PM Document presentation format: On-screen Show Company
Title: Open a New Business in New Jersey Author: Pietro Mazzoleni Last modified by: Pietro Mazzoleni Created Date: 9/24/2001 10:52:07 PM Document presentation format
... formal security models. 8/24/09. 4. Military Security. Classification ... Lattice Model (for military application) Sensitivity levels a, b. Compartments c, d ...
System controllers need to install code (hence downgrade capability) ... Installing a program requires downgrade procedure (from D to PC), so only system ...
... model that the user agent must authenticate himself with a user-ID and a ... the request with a challenge for the authorization information of the user agent. ...
... stuff a real system needs (backup, recovery, comms, ...) the TCB is no longer ... 'System Z': as BLP but lets users request temporary declassification of any file ...
Help conceptualize and design an implementation ... Want to build a model to represent a range of ... Confidential (C) Claire, Clarence Activity Log Files ...
Special systems: MLS Multilevel security [ Red book US-DOD 1987] Considers the assurance risk when composing multilevel secure systems evaluated under security ...
Security policy also called information flow policy, prevents unauthorized ... A range is a set of labels expressed by a lower bound and an upper hound. ...
Equivalence myth: ACLs and capabilities are 'just' two views of ... Capabilities can also expire with time. If OS stores capabilities, can delete upon request ...
CSC 382: Computer Security Security Policies Topics What is a security policy? Types of Access Control Discretionary (DAC) Mandatory (MAC) Originator-based (ORBAC ...
... enable unique identification even in very large (millions of records) databases ... Government benefits distribution (Social Security, welfare, etc. ...