Is the system secure?

Yes it is secure.

There are many security issue about an website:

1. Print 2 Oreder website is build using Industrial Web Standards using a Content Managed System. It is updated with security patches at all times. It means your personal details such us: name, address etc will not be used by third parties.
2. Payment method used at this stage is via money order. You do not send to us any financial detail.
3. All  inputs are filtered and  all forms have "anti robots" system in place.