Lock a board so people cannot see it

[Dennis de Laat]

Is it possible to put a lock on a specific board? 

For example our finance board is not allowed for every worker in our space. Is there a way to hide or lock it? 

[Nic Brough -Adaptavist- · Accepted solution]

You can almost change the condition straight into a validator, making sure the fields you want to check are on the transition screen.  Then, when an issue fails the validation when someone tries to move it, they will be returned to the transition screen with an error message.