Yes, it is 100% secure.
The order process is protected via a secure connection . Thus, important information such as credit card numbers, addresses, etc. can be sent securely through the Internet .
All of the data on secure pages is encrypted using the SSL (Secure Sockets Layer) protocol. The servers support SSL Version 3 and 168-bit Triple DES encryption, and the RSA module and SSL sessions feature 1024-bit encryption.
In Netscape, you can tell that SSL is activated if you see a closed padlock in the lower left corner of the browser window. In Internet Explorer, the padlock icon is located at lower right in the status bar of the browser window.