PCA_SECURITY is a standard SAP Table which is used to store Card Master: Encryption data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The PCA_SECURITY table consists of various fields, each holding specific information or linking keys about Card Master: Encryption data available in SAP. These include CARD_GUID (GUID of a Payment Card), CARD_TYPE (Payment card type), CRYPTIC_NUMBER (Externally Encrypted Payment Card Number), CRYPTIC_LEN (Length of Encoded Payment Card Number)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .