All transaction information passed between merchant sites and the Worldpay systems
are encrypted using SSL certificates. No cardholders
information is ever passed unencrypted and any messages sent over the internet
to Worldpay are signed using a combination of standard methods such as PGP,
RSA and MD5 to ensure that the information passed is secure and tamper-proof.
You can be completely assured that nothing you pass to Worldpay's servers
can be examined, used or modified by any third parties attempting to gain
access to sensitive information.