In general, the law is capable of dealing with this kind of issue - it can look at the intent of the owner of the service. cf. for example the law on trade sec

In general, the law is capable of dealing with this kind of issue - it can look at the intent of the owner of the service. cf. for example the law on trade secrets. If you take "reasonable steps" to safeguard the secret, and impose NDAs on the people you do grant access, then courts will punish competitors who steal them, even if your security happens to suck.