This site did not show evidence of storing passwords in plaintext.
This site does allow secured connections (https)
This site did show a clear way to unsubscribe from their emails
This site does verify your email address.
Below is a sample of the emails you can expect to receive when signed up to bigspy.
We appreciate that you have chosen BigSpy as an assistant in the
development of your business! We will do everything to make the use of all the
functionality of the platform convenient and useful for you.