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Data Capture (a.k.a. Draft Capture): Information collection and storage in the form of electronic computer memory. Terminals may perform data capture.

Data Encryption Algorithm (DEA OR 3DEA): A security algorithm used with the STAR network to encrypt PIN numbers and keys.

Data Encryption Key (DEK): A key used in the encryption of various types of information, including text and electronic signatures.

Data Encryption Standard (DES): A standardized cryptographic method used by the STAR network to encrypt data and to ensure security. Defined by the NIST Federal Information Processing Publication.

Database: An organized collection of data, usually digital data. Databases are often used to store customer information.

Debit: Any charge to a bank holder account, usually referring to deposit accounts.

Debit Card: A card that is capable of accessing any type of deposit account, primarily checking accounts.

Debit Transaction: A transaction in which funds are taken from a deposit account via a debit card.

Decline Or Declined: An official denial of an authorization request.

Decryption: A process in which encrypted data is converted into clear, readable data.

Demand Deposit Account (DDA): The merchant account credited or debited for fees and deposits as well as other adjustments.

Deposit Account: An account maintained by a member at CreditCardProcessing.com for the purpose of processing transactions. Common types of deposit accounts include checking accounts, NOW accounts, savings accounts and other typical depository accounts.

Deposit Credit: Another term for a Credit Deposit. See “Credit Deposit” for more information.

Deposit Processing Day: A business day or several business days in which deposits are processed by a member.

Deposit Service: A service in which currency or other items are deposited for a credit to any type of access account, most commonly checking, savings and NOW accounts. Deposit service may be performed by a STAR cardholder.

Depository Financial Institution: Several guidelines define a depository financial institution, including:

  1. The institution must be legally able to accept deposits.
  2. The institution must be eligible for FDIC or NCUSIF insurance.
  3. The institution must by insured by one of the FDIC or NCUSIF, or an account must be funded in lieu of insurance as a security. The funded amount of the account is determined by STAR.

Dial-Up Line: A low-speed communications method that uses standard phone lines. Differs from broadband connections, DSL and other high speed connections.

Dial-Up Terminal: An authorization terminal that utilizes a dial-up line to connect to an authorization center for the purpose of validating transactions.

Digital Certificate: A piece of data that ensures security and acts as an electronic authentication program by:

  1. Identifying its issuing certificate authority
  2. Identifying a STAR account holder
  3. Contains a digital signature from the issuing certificate authority.
  4. Identifies an operational period in which the certificate is valid
  5. Contains the account holder’s public key

Digital Signature: An encoded message which provides various types of information, including an account holder’s public key, information on the message’s alteration and other data vital for ensuring digital security.

Direct Marketing: A marketing method in which customers are contacted directly by a merchant to promote goods or services. Examples of direct marketing include mailings and phone calls.

Direct Payment: A payment collection method, generally defined as a regular payment authorized by an account holder. A direct payment authorization allows a creditor to repeatedly receive funds from a debtor’s accounts, pursuant to applicant rules and regulations.

Direct Processor: Any processor with a direct connection to a STAR switch. Usually exists as a telecommunications line between the processor’s main computer and a system of computers to the STAR switch itself.

Disclosure: Information legally required as a part of a cardholder agreement. The disclosure informs the cardholder of various important terms of a credit agreement. There are numerous laws and regulations surrounding disclosures; they must be issued to a cardholder before the cardholder can use his or her card, for instance, and disclosures are required on all statements. Disclosures may also be required by law at regular intervals or when changes are made to an account.

Discount Rate: The fee charged to a merchant for the processing of credit card transactions. Discount rates are usually figured on a per-day basis.

Doing Business As (DBA): A term used to identify the name that a merchant uses to do business, regardless of whether this is the legal name of the business.

Domain Name System (DNS): A system which enables host addresses to be researched and for information to be obtained based on a host name. The system is composed of various domains, including .com (commercial), .gov (U.S. government websites) and various other suffixes appended to Web addresses.

Down Time: The time in which a website, system, network or other system is not accessible, usually due to a failure of equipment, exceeded bandwidth, maintenance, or other technical limitations.

Dual Control: Refers to several entities operating to protect information or functions through encryption, cryptographic keys, and other means. No single person, group or organization is able to access data in a dual control system. Dual control allows for enhanced security in many circumstances.

Duality: A financial institution which is a member of MasterCard, Visa and in other credit card company agreements is said to have duality. Many U.S. financial institutions have duality, although some countries ban duality.

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