Ch 10. Review Questions

7- What are the two inherent characteristics of computers that make security so difficult?
Two inherent characteristics that make computer security so difficult are software errors and hardware glitches.

8- Describe several different computer security techniques and explain the purpose of each.
Different computer security techniques include passwords, which make the user type in a special code to gain access to a computer; firewalls, which guard agains unauthorized access to an internal network; encryption, which scrambles transmissions by apply a secret numerical code to the message; and audits, or audit-control software which monitors and records computer transactions as they happen so auditors can trace suspicious computer activity.