Which of the following types of cybercrime is Sam performing?

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?

A.
Data diddling

B.
Salami attack