According to a recent study by global specialty insurer Hiscox, in 2016, workplace embezzlement cases cost companies an average of $1.13million. Some very interesting facts from the report

55% of cases occurred at companies with fewer than 100 employees
37% of cases committed by someone in finance and accounting
30% of cases occurred in financial services or government sectors
37% of cases involved losses of > $500,000 and 23% of cases involved losses of > $1million
28.7% schemes lasted greater than 5 years
51% of perpetrators were women
Median age of perpetrators is 48

Definitely an interesting read.