Sam, a bank employee, develops a program and uploads it to the bank's server. He deducts $1 a month from the account of every customer using the program. Probably no account holder will notice this…

Sam, a bank employee, develops a program and uploads it to the bank's server. He deducts $1 a month from the account of every customer using the program. Probably no account holder will notice this type of illegal debit, but Sam will make a good amount of money every month. Which of the following types of cybercrime is Sam performing?