That is why we post at the bottom of our profile:

PRIVACY NOTICE:
Warning--any person and/or institution using this website or any of its associated websites, you do NOT have my permission to utilize any of my profile information nor any of the content contained herein including but not limited to my photos. You are hereby notified that you are strictly prohibited from disclosing, copying, distributing, disseminating, or taking any other action with regard to this profile and the contents herein. The foregoing prohibitions also apply to your employee(s), agent(s), student(s) or any personnel under your direction or control. The contents of this profile are private and legally privileged and confidential information, violation of my personal privacy is punishable by law. It is recommended that other members post a similar notice to this or you may copy and paste this one)