The cover media used to hidedata and the actions performed to locate and recover messages mimic those of innocent users, allowing Collage users to argue that they were unaware of the presence of hidden data.
Aside from the relative ease with which attackers guess passwords, once they have stolen the list of usernames and hashed ( a one-way algorithm used to hidedata) passwords, the attacker just checks a dictionary of hashed words against the hashed passwords to find matches.
Both options won't offer premium features such as WiFi tethering and Sprint Navigation, but Sprint says customers will see neither hide nor hair of data caps or speed throttling.