How can you stop your boss from spreading personal information about you (confidential information) to other associates in your company? We (the employees in my company) cannot go to our own HR Dept because they all have a very close relationship wi

How can you stop your boss from spreading personal information about you (confidential information) to other associates in your company? We (the employees in my company) cannot go to our own HR Dept because they all have a very close relationship with her (our boss). So, what are our alternatives?