Credit Card Forensics

Question 1

What was the most prevalent means of collecting credit card information mentioned in the article?

Answer 1

Skimming

Question 2

What medium were the skimmers discussed in the article using to imprint credit card information on magnetic stripes?

Answer 2

Hotel room keys

Question 3

What three industries are associated with the three tracks on a magnetic stripe?

Answer 3

Airline industry, banking community, and savings/thrifts

Question 4

What is the standard packing/recording density for the three tracks on magnetic stripes?

Answer 4

210 bits/inch for all three tracks

Question 5

What is the character format (i.e., bitlength) for the three tracks?

Answer 5

Track one is 7-bit format, while tracks two and three are 5-bit

Question 6

Which of the following are elements of the ISO/IEC specifications for Track 1?

a. Start sentinel

Answer 6

Yes

Question 7

Which of the following are elements of the ISO/IEC specifications for Track 1?

b. Primary account number

Answer 7

No

Question 8

Which of the following are elements of the ISO/IEC specifications for Track 1?

c. Social security number

Answer 8

No

Question 9

Which of the following are elements of the ISO/IEC specifications for Track 1?

d. Customer address

Answer 9

No

Question 10

Which of the following are elements of the ISO/IEC specifications for Track 1?

e. Customer name

Answer 10

Yes

Question 11

Define coercivity for magnetic stripes.

Answer 11

The resistance of a magnetic material to changes in magnetization.