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'.
(..) - I thought I was supposed to tell... - ... the truth here, if only fucking here. - You are! Yes. A guy comes in here against every instinct of privacy, of self-reliance that he has... ...and what do you do? What do you do? You send him off on the street to score smack? Is that what you do? (..)2006 The Departed