What is multi-factor authentication?

Point of Sale (POS) Glossary

Multi-factor authentication (MFA) is security protection that requires a person to use at least two verification factors before being verified for a resource. MFA might be used to limit access to a point of sale system’s administrative functions or to protect a bank account during online access. Another example is when a debit card requires a PIN to be entered for POS transactions, which is in addition to swiping or inserting the physical card.

Some of the frequently used multi-factor authentication challenges include a combination of smart cards, passwords, text messages to phones, codes sent to an email address, and personal identification numbers. Multi-factor authentication helps cut down on fraud since more than two challenges are necessary to complete the verification, and a criminal may have difficulty securing the additional information needed.

The most comprehensive set of glossary terms in point of sale industry.

See what separates ACID Point of Sale from the rest of the POS solutions.