equal
deleted
inserted
replaced
42 the car. Whenever you lock the car, the car ``responds'' |
42 the car. Whenever you lock the car, the car ``responds'' |
43 by flashing the indicator lights. Can you think of a |
43 by flashing the indicator lights. Can you think of a |
44 security relevant purpose for that? (Hint: Imagine you |
44 security relevant purpose for that? (Hint: Imagine you |
45 are in the business of stealing cars. What attack would |
45 are in the business of stealing cars. What attack would |
46 be easier to perform if the lights do not flash?) |
46 be easier to perform if the lights do not flash?) |
47 Should the car also make a ``beep noise'' when it |
47 %Should the car also make a ``beep noise'' when it |
48 unlocks the doors? Which threat could be thwarted |
48 %unlocks the doors? Which threat could be thwarted |
49 by that? |
49 %by that? |
50 |
50 |
51 \item And another one: A water company installed devices that |
51 \item And another one: A water company installed devices that |
52 transmit meter readings when their company car drives |
52 transmit meter readings when their company car drives |
53 by. How can this transmitted data be abused, if not |
53 by. How can this transmitted data be abused, if not |
54 properly encrypted? If you identified an abuse, then how |
54 properly encrypted? If you identified an abuse, then how |