We have taken every step possible to make shopping at Posterjack safe. Our checkout process is totally secure (note the https:// in the URL bar when you are checking out) and uses 256 Bit Encryption. Credit Card processing is handled by Moneris, one of the top credit card processing companies in North America. They have incredibly safe data centres. Posterjack is never privy to—and therefore, never stores—your credit card information.