Data Encryption Standard (DES)
Debit advice
Debit card
Debit transfer system
Decipherment
Default
Defaulter pays
Deferred net settlement system
Delivery
Delivery-versus-payment system
Denial of service
Depository
Deterrent measures
Digital signature
Direct debit
Domestic settlement

Deterrent measures

All measures or actions undertaken in order to prevent an act of malicious intent against an information system or operational process, via the application of an appropriate security plan.