Transferring CC information for Web Orders to Service Connect

Hello,
 
We are moving to E9 and need to transfer our current Web Order process to dump a file so Service Connect can pick it up and import it into E9.  How does everyone else communicate to their web and how do you handle credit cards so you are PCI compliant?
 
Thank you for your time.
 
Ginny Esh
Programmer Programmer/Analyst
Restek Corporation