Without more information it is not possible to give a legal opinion about this. If someone really did hack his Facebook, you probably have no claim, since it wasn't your boss making these inappropriate statements. The best advice would be to set an appointment with an attorney who specializes in employment law and sexual harassment cases. Then after a thorough review of all of the facts, they can give you an opinion as to whether you have a viable claim, and what procedural steps you should take. Most attorneys handle these cases on a contingency percentage fee, taking a percentage of the recovery. There are no hourly fees and most attorneys do not charge anything for an initial appointment to discuss your case.