All the usual ways. We encrypt bank and credit card data, hash passwords, etc. Nothing is 100% secure but you can try your best. The fact that we use your faci

All the usual ways. We encrypt bank and credit card data, hash passwords, etc. Nothing is 100% secure but you can try your best. The fact that we use your facial image to effectively authenticate you at the point of sale, which is the whole reason for building this POS system in the first place, makes the system a good deal more secure than anything else out there for retail transactions.