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Which of the following presents an inherent risk with n…

Which of the following presents an inherent risk with no distinct identifiable preventive controls?

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A.
Piggybacking

B.
Viruses

C.
Data diddling

D.
Unauthorized application shutdown

Explanation:
Data diddling involves changing data before they are entered into the computer. It is one of the most common
abuses, because it requires limited technical knowledge and occurs before computer security can protect the
data. There are only compensating controls for data diddling. Piggybacking is the act of following an authorized
person through a secured door and can be prevented by the use of deadman doors. Logical piggybacking is an
attempt to gain access through someone who has the rights, e.g., electronically attaching to an authorized
telecommunication link to possibly intercept transmissions. This could be prevented by encrypting the message.
Viruses are malicious program code inserted into another executable code that can self-replicate and spread
from computer to computer via sharing of computer diskettes, transfer of logic over telecommunication lines or
direct contact with an infected machine. Antiviral software can be used to protect the computer against viruses.
The shutdown of an application can be initiated through terminals or microcomputers connected directly (online)
or indirectly (dial-up line) to the computer. Only individuals knowing the high-level logon ID and password can
initiate the shutdown process, which is effective if there are proper access controls.


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