Review Questionspage 379

#7 What are the two inherit characteristics of computers that make security so difficult?

1. A comp uter does exactly what it is porgrammed to do, including reveal sensitive information. Anyone can program a computer.
2. a computer can only does what it is programmed to do, it cannot protect itself from malfunctions.

8. Describe several different computer security techniques, and explain the purpose of each.

some computer secuirty techniques include, a smart card containing digitally encoded identification in a built-in memory chip.
Voice print or finger print detected by biometrics.

Firewalls keep networks secure while enabling communication with the rest of the internet.
Encryption protects transmitted information.