Chapter 15 Problem 6 PREVENTIVE CONTROLS Listed here are five scenarios. For each scenario, discuss the possible damages that can occur. Suggest a pre-ventive control. a. An intruder taps into a telecommunications device and retrieves the identifying codes and personal identification numbers for ATM cardholders. ( The user subsequently codes this information onto a magnetic coding device and places this strip on a piece of cardboard.) b. Because of occasional noise on a transmission line, electronic messages received are extremely garbled. c. Because of occasional noise on a transmission line, data being transferred is lost or garbled. d. An intruder is temporarily delaying important strategic messages over the telecommunications lines. e. An intruder is altering electronic messages before the user receives them.

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Explanation:

There are various solution or ways to go about this actually. In the end, curtailing this is what matters in the end.

Below i have briefly highlighted a few precise way some of this problems can be solved, other options are open for deliberation.

A. Digital encoding of information with the calculation being changed occasionally, particularly after the frameworks advisors have finished their employments, and the framework is being used.

Which can also mean; The money could be withdrawn form the ATM. preventive Control is password to be changed periodically and regularly.

B. Noise on the line might be causing line blunders, which can bring about information misfortune. Reverberation checks and equality checks can assist with recognizing and right such mistakes.

C. If information is being lost, reverberation checks and equality checks ought to likewise help; notwithstanding, the issue might be that an intruder is blocking messages and altering them. Message arrangement numbering will assist with deciding whether messages are being lost, and in the event that they are maybe a solicitation reaction strategy ought to be executed that makes it hard for gatecrashers to dodge.

D. In the event that messages are being postponed, a significant client request or other data could be missed. As in thing c, message arrangement numbering and solicitation reaction methods ought to be utilized.

E. Messages modified by intruders can have an extremely negative effect on client provider relations if orders are being changed. For this situation, information encryption is important to keep the gatecrasher from perusing and changing the information. Additionally, a message succession numbering strategy is important to ensure the message isn't erased.

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