3 ms·
The unique number printed on the card doesn't have to be the employee number, it just has to be unique to each person and stored alongside their employee number
by ibmthrowaway218 13y ago
The unique number printed on the card doesn't have to be the employee number, it just has to be unique to each person and stored alongside their employee number.
That retains the ability to uniquely identify people without stopping them (assuming it's not faked) whilst not leaking their employee number.