Transaction Security by WorldPay
The WorldPay payment system uses a combination of both established and innovative techniques to ensure the security and integrity of all sensitive data. Furthermore, WorldPay public web servers are certified by Thawte, a public Certificate Authority, ensuring that both the shopper and retailer can have confidence that only WorldPay processes any confidential payment information.

Transaction Encryption by WorldPay
The transfer of the purchase details from the retailers site to Worldpay are encapsulated using WorldPay's own encrypted and digitally-signed protocol. This uses a combination of standard methods such as PGP, RSA and MD5 to ensure that the information passed is secure and tamper-proof.

Transaction Data Storage by WorldPay
Data storage on WorldPay systems, and the communication between WorldPay and the worldwide banking networks, is regularly audited by the banking authorities to ensure a secure transaction environment.