Chapter 3

Question 1

What are four means of authentication a user’s identity?

Answer 1

Something an individual knows
Something they posses
Static biometrics (finger prints, retina, iris)
dynamic biometrics (voice, handwriting)

Question 2

List the principle threats to password secrecy.

Answer 2

Offline dictionary attack
Specific account attack
popular password attack
Password guessing against a single user
workstation hijacking
exploiting user mistakes
exploiting multiple password use
Electronic monitoring

Question 3

Common techniques to protect a password file.

Answer 3

Restricting user access

storing the password hashes.

Question 4

List four common techniques for selecting or assigning passwords.

Answer 4

Educating the user
Computer generated
reactive password checking
proactive password checking

Question 5

Memory card vs smart card

Answer 5

smart card contains memory and a microprocessor

Question 6

Principal physical characteristics used for biometric ID

Answer 6

Facial
Finger prints
Retina
Iris

Signature
Voice