When a terminal loses connectivity, some payment systems can temporarily store transactions instead of stopping sales—but the merchant may be accepting financial risk because the issuer has not necessarily approved those transactions yet. That tradeoff is the heart of store-and-forward payment processing. A merchant can keep a checkout line moving...
Virtual Terminal Access Controls: User Roles, Keyed-Entry Limits, and Audit Logs That Prevent Internal Card Fraud
A virtual terminal turns a browser or merchant portal into a card-not-present payment tool. That flexibility is useful, but it also means an employee with excessive permissions may be able to key transactions, issue refunds, view customer data, or change settings without the physical controls of a checkout terminal. Effective...