Solution : https://service.sap.com/sap/support/notes/627649 (SAP Service marketplace login required)
Key words : 
j2ee engine log file isa, business scenario configuration guide' document, web-inf/log directory, symptom credit card information, credit card data, terms credit cards, credit card information, ccardstrategyr340b und ccardstrategyr3pi, 1 crm e-selling, log levels
Related Notes : 
       
| 646140 | Security Check of Internet Sales | 
| 635082 |