Credit Card Numbers - Visa. These Credit card numbers validate for Visa credit cards. The number and information is as real as it can be, and contains valid bin information. The structure of the credit card number starts with a valid bin number and also validates against the LUHN's formula.
UART is a protocol (Universal asynchronous receiver/transmitter ) for serial transfer of information. You ask about an embedded system with mentioning which so I'll assume that you have a block diagram with one indicating UART.
A computer incident response team (CIRT) is a group that handles events involving computer security breaches. Although most organizations have measures in place to prevent security problems, such events may still occur unexpectedly and must be handled efficiently by CIRT experts, which include team members from specified departments and specialties.