'Simple security property' diaporamas de présentation

Access Control, Operating System Security, and Security System Design

Spring 2011. CS 155. Access Control, Operating System Security, and Security System Design. John Mitchell. Access Control Concepts Matrix, ACL, Capabilities OS Mechanisms Multics Ring structure Amoeba Distributed, capabilities Unix File system, Setuid Windows

1.45k views • 89 slides

Lecture 19 Trusted Computing and Multilevel Security

Lecture 19 Trusted Computing and Multilevel Security. modified from slides of Lawrie Brown and Hesham El- Rewini. Computer Security Models. two fundamental computer security facts: all complex software systems have eventually revealed flaws or bugs that need to be fixed

625 views • 62 slides

Lecture 20 Trusted Computing and Multilevel Security

Lecture 20 Trusted Computing and Multilevel Security. modified from slides of Lawrie Brown and Hesham El- Rewini. Computer Security Models. two fundamental computer security facts: all complex software systems have eventually revealed flaws or bugs that need to be fixed

1.13k views • 60 slides

612 views • 45 slides

IS 2150 / TEL 2810 Introduction to Security

IS 2150 / TEL 2810 Introduction to Security. James Joshi Associate Professor, SIS Lecture 6 October 6, 2009 Hybrid Models Role based Access Control. Objective . Define/Understand various Integrity models Clark-Wilson Define/Understand Chinese Wall Model

612 views • 34 slides

Access control models and policies

Access control models and policies. Aalto University , autumn 2012. Outline. Access control Discretionary AC Mandatory AC Other AC models. Models and terminology for thinking about security policies. Access control. Access control (AC). Subjects request actions on objects

537 views • 29 slides

Security and Authorization

363 views • 23 slides

Sicurezza Informatica

Sicurezza Informatica . Prof. Stefano Bistarelli bista@dipmat.unipg.it http://www.sci.unich.it/ ~bista /. Chapter 5: confidentiality. Chapter 5: Confidentiality Policies. Overview What is a confidentiality model Bell-LaPadula Model General idea Informal description of rules.

466 views • 22 slides

Role Usage and Activation Hierarchies (best viewed in slide show mode)

Role Usage and Activation Hierarchies (best viewed in slide show mode). Ravi Sandhu Laboratory for Information Security Technology George Mason University www.list.gmu.edu sandhu@gmu.edu. Reference.

289 views • 14 slides