If you are the person who was 'exposed' you MAY be able to take action, depending on the facts and circumstances--which you understandably did not post.
If you are not the person was 'exposed' you likely have no standing to take any legal steps.
Your post contains almost no facts--it’s those facts that are used to determine if any law has been broken or tort committed or duty breached.
FWIW, I know of no law that prevents anyone from making any others famous or infamous. And doing so is likely not a tort or breach of a duty. Depending on the study, there may or may not be contractual issues involved.
READ THIS BEFORE CALLING OR EMAILING ME: I am licensed to practice before the state and federal courts in Virginia. We have not established an attorney-client relationship unless we have a signed representation agreement and you have paid me. I am providing educational instruction only--not legal advice. You should speak with an attorney to whom you have provided all the facts, before you take steps that may impact your legal rights. I am not obligated to answer subsequent emails or phone calls unless you have hired me. I wish you the best of luck with your situation.
I'm having trouble understanding this question If someone's privacy has been invaded, usually they know it. They don't go find someone to make something public and then hold that person liable. Without an explanation of what actually happened, it is impossible to answer this question.
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