'Access matrix model' presentation slideshows

Computer Security CS 426 Lecture 9

Computer Security CS 426 Lecture 9. Unix Access Control. Roadmap. Basic Concepts in Access Control & UNIX Access Control Overview Files in UNIX Processes in UNIX. A reference monitor mediates all access to resources Tamper-proof :

535 views • 35 slides

Security Architecture and Models

Security Architecture and Models. Read Your Blue Book. Definitions Terms Terminology More Terminology Security Models System Evaluation Criteria IETF IPSEC Terminology. Definitions. Access control - prevention of unauthorized use or misuse of a system ACL - Access control list

454 views • 32 slides

Database Security Mandatory Access Model with Temporal Authorizations

Database Security Mandatory Access Model with Temporal Authorizations. Pooja Bajracharya Pratibha Katuri Richard Neidermyer. Database Security. Applicable In Many Environments E-Commerce, Medical, and Military Various Implementation Levels Storage Transmission Authorization Inference

380 views • 24 slides

Protection and Security

Protection and Security. Computer Security. External Security: Physical access to computer facility Interface Security: Authentication of user Internal Security: Protection: control of access within computer systems

413 views • 21 slides

Access Control in Collaborative Systems

Access Control in Collaborative Systems. William Tolone , Gail- Joon Ahn , Tanusree Pai & Seng -Phil Hong. Outline. Collaborative Environments Access Control Requirements Access Control Models Assessment Conclusion. Collaborative Environments. Facebook Code Repositories Webcourses.

353 views • 18 slides

A typed Access Control Model for CORBA

322 views • 18 slides

Protection and Security

Protection and Security . An overview of basic principles. Protection and Security. Issues : authentication: verifying a claim of identity authorization: verifying a claim of permission audit: verifying the (non)occurrence of previous actions . Au thentication

336 views • 17 slides

Example: http://www.oreilly.com/catalog/orasec/chapter/ch07.html

Designing Security. Example: http://www.oreilly.com/catalog/orasec/chapter/ch07.html. Database Security Plan. Security Models. One Matrix per Database Access Matrix Model: Harrison-Ruzzo-Ullman Authorized state: Q = (S, O, A) Conditions (dependent) Data Time Context History.

427 views • 13 slides