All card numbers are encrypted at rest with AES-256. Communications are also encrypted with two PGP keys.
VNTG uses HTTPS for all services using TLS(SSL). Every connection, data transfer, payment between you and our Print Service is used under HTTPS based on HSTS to make sure that every connection is only over HTTPS.
If you think that there is any security bug in our service, please send us a ticket. We will respond as soon as possible to your bug report.
We are totally committed to respecting user privacy and protecting personal information.