“With this feature enabled, anyone can place their phone next to yours (or your child’s phone) and automatically receive their contact information to include their picture, phone number, email address, and more, with a tap of your unlocked screen,”

Multiple U.S. police departments issued alerts about a new iPhone feature that allows sharing contact info and images wirelessly between two closely held devices, warning that the feature could pose a risk to children and other vulnerable individuals.

“PARENTS: Don’t forget to change these settings on your child’s phone to help keep them safe as well!”

The NameDrop option is turned on by default. In order to cancel the feature in iOS 17:

https://www.zerohedge.com/technology/police-warn-parents-about-iphones-new-namedrop-feature