1 A set of instructions to increase a programmers pay rate b

1. A set of instructions to increase a programmer’s pay rate by 10% is hidden inside an authorized program. It changes and updates the payroll file. What is this computer fraud technique called? a. virus b. worm c. trap door d. Trojan horse

2. Which computer fraud technique involves a set of instructions hidden inside a calendar utility that copies itself each time the utility is enabled until memory is filled and the system crashes? a. logic bomb b. trap door c. virus d. Trojan horse

3. Interest calculations are truncated at two decimal places, and the excess decimals are put into an account the perpetrator controls. What is this fraud called? a. typosquatting b. URL hijacking c. chipping d. round-down fraud 4. A perpetrator attacks phone systems to obtain free phone line access or uses telephone lines to transmit viruses and to access, steal, and destroy data. What is this computer fraud technique called? a. phishing b. phreaking c. pharming d. vishing
Romney, Marshall B.; Steinbart, Paul J.. Accounting Information Systems (Page 175). Pearson Education. Kindle Edition.

Solution

The answer to the 1st question is Trap Doors.

The explanation is as follows:

In this Trap Doors technique, a programmer embeds bits of code in program itself which can be altered in later stages. Same thing is happening here where there are set of instructions which increases programmers pay rate by 10% hiding it in authorized program.