Hello everyone.
I have a program that I sell online and am trying to find a program to help with the password security. I'm trying to prevent customers from sharing the provided Username and Passwords. I don't want to use usb keys since I need all ports for the program and have had bad experiences with the 1-4 USB ports.

A friend suggested Exeshield, but my programmer found the crack in a short amount of time.

There seems to be plenty of PC based programs, but few Mac based.

Any help would be greatly appreciated>
Thanks in advance,