SCSC 455 Computer Security. Chapter 1 Introduction Dr. Frank Li. Index. Definition of Computer Security OSI Security Architecture Security Attacks Security Services Security Mechanisms Model Standards Additional Concepts: Risk, People, Security certifications.
SCSC 455 Computer Security
Chapter 1 Introduction
Dr. Frank Li
Do you know …
Do you know … (cont’)
Q: What are the causes of so many attacks on networks and computer systems?
-- Dr. Ivan Goldberg
We are increasingly dependent on computer /network
technology for communication, funds transfers, utility
management, government services, military action, and maintaining
Many companies are finding out how security affects their
bottom line in ways they never expected.
(The next few slides are some additional concepts.)
The key to good security is not to hope that no one finds the security weaknesses of your system, but rather to eliminate those weaknesses.
Two purpose of Security Certification