I don't care about what you do in the 'privacy' of your own home. [=I don't care what you do when you are at home by yourself or with your family]
She felt that the guard's request to search her was an 'invasion of (her) privacy'. [=she felt the search did not respect her privacy]
Celebrities have a right to 'privacy'.
(..) At . Around . Three. The gallery alarm was triggered at . You were-- -I was giving a lecture. -At . You had the privacy light on in your hotel room until , right? We call Fache "the Bull." Once he starts, he doesn't stop. He can arrest you and detain you for months while he builds a case. (..)2006 The Da Vinci Code