'Protection state' presentation slideshows

1.05k views • 90 slides

Computer Security Access Control Matrices

Computer Security Access Control Matrices. Fall 2006. Based on slides provided by Matt Bishop for use with Computer Security: Art and Science. Based on adaptations by Carl Gunter. Overview. Access control matrices and state transitions on them Harrison-Ruzzo-Ullman result Corollaries

854 views • 73 slides

Chapter 14: Protection and Security

783 views • 64 slides

CSC 382: Computer Security

CSC 382: Computer Security. Access Control. Access Control. What is Access Control? Access Control Matrix Model Protection State Transitions Special Rights Principle of Attenuation of Privilege Groups and Roles Implementation of the Access Control Matrix

784 views • 63 slides

CSC 382: Computer Security

CSC 382: Computer Security. Access Control. Access Control. What is Access Control? Access Control Matrix Model Protection State Transitions Special Rights Principle of Attenuation of Privilege Groups and Roles Implementation of the Access Control Matrix

641 views • 63 slides

IS 2150 / TEL 2810 Introduction to Security

IS 2150 / TEL 2810 Introduction to Security. James Joshi Assistant Professor, SIS Lecture 2 September 6, 2007 Secure Design Principles OS Security Overview. Design Principles. Design Principles for Security. Principles Least Privilege Fail-Safe Defaults Economy of Mechanism

593 views • 58 slides

CIT 380: Securing Computer Systems

CIT 380: Securing Computer Systems. Access Control. Access Control. What is Access Control? Access Control Matrix Model Protection State Transitions Special Rights Principle of Attenuation of Privilege Groups and Roles Implementation of the Access Control Matrix

709 views • 55 slides

CIT 380: Securing Computer Systems

CIT 380: Securing Computer Systems. Access Control. UNIX Access Control Model. UID integer user ID UID=0 is root GID integer group ID Users can belong to multiple groups. UNIX File Permissions. Three sets of permissions: User owner Group owner Other (everyone else)

548 views • 46 slides

Lecture 2: Access Control

CS 591: Introduction to Computer Security. Lecture 2: Access Control. James Hook. Objectives. Introduce the mechanism of Access Control Relate mechanism to Confidentiality, Integrity and Availability Introduce the Access Control Matrix Model and Protection State Transitions. Alice and Bob.

595 views • 40 slides

HF RWM and TAG Commands

HF RWM and TAG Commands. J.-D. Chatelain. HF RWM Commands. HF TAG Commands. Allows to activate or to deactivate the magnetic field of the RWM. Returns the status of the magnetic field of the RWM. Stores two bytes at a specified address of the memory of the RWM.

440 views • 36 slides

Access Control Matrix

Access Control Matrix. Outline. Overview Access Control Matrix Model Boolean Expression Evaluation History Protection State Transitions Commands Conditional Commands Special Rights Principle of Attenuation of Privilege. Overview. State

426 views • 28 slides

Access Control Matrix

Access Control Matrix. Outline. Overview Access Control Matrix Model Boolean Expression Evaluation History Protection State Transitions Commands Conditional Commands Special Rights Principle of Attenuation of Privilege. Overview. State

391 views • 28 slides

Access Control Matrix

Access Control Matrix. Outline. Overview Access Control Matrix Model Boolean Expression Evaluation History Protection State Transitions Commands Conditional Commands Special Rights Principle of Attenuation of Privilege. Overview. State

310 views • 28 slides

Access Control Matrix and Safety Results

Access Control Matrix and Safety Results. CS498SH Information Assurance, Fall 2005 Susan Hinrichs. Based on slides provided by Matt Bishop for use with Computer Security: Art and Science Plus HRU examples from Ravi Sandhu. Outline. Motivation Access Control Matrix Model

467 views • 23 slides

Access Control Matrix and Safety Results

Access Control Matrix and Safety Results. CS498SH Information Assurance, Fall 2005 Susan Hinrichs. Based on slides provided by Matt Bishop for use with Computer Security: Art and Science Plus HRU examples from Ravi Sandhu. Outline. Motivation Access Control Matrix Model

360 views • 23 slides

Computer Security Foundational Results

Computer Security Foundational Results. Defining security. What does secure mean? How can one determine when a computer system is secure? Which policies are secure? What does secure mean?. Reminder. In our model a computer system is represented by a family of

218 views • 21 slides

Chapter 2: Access Control Matrix

Chapter 2: Access Control Matrix. Overview Access Control Matrix Model Protection State Transitions Commands Conditional Commands. Overview. Protection state of system

395 views • 18 slides

Computer Security Foundations

Computer Security Foundations. Security. How can one determine when a computer system is secure? What does secure mean?. Reminder. In our model a computer system is represented by a family of states : the set of all protection states P must be a subset of the

285 views • 17 slides

Access Control Matrix

Access Control Matrix. CSSE 490 Computer Security Mark Ardis, Rose-Hulman Institute March 9, 2004. Acknowledgements. Many of these slides came from Matt Bishop, author of Computer Security: Art and Science. Chapter 2: Access Control Matrix. Overview Access Control Matrix Model

400 views • 10 slides

ITIS 3200: Introduction to Information Security and Privacy

ITIS 3200: Introduction to Information Security and Privacy. Dr. Weichao Wang. Chapter 2: A concrete example: Access Control Matrix First introduced in OS and databases Describe allowed access using a matrix Protection state of the system

110 views • 9 slides