The Norwegian Consumer Council has published a report detailing a series of security and privacy flaws in smart watches marketed to children.
This is the same group that found all those security and privacy vulnerabilities in smart dolls.
EDITED TO ADD (10/21): Slashdot thread.
*** This is a Security Bloggers Network syndicated blog from Schneier on Security authored by Bruce Schneier. Read the original post at: https://www.schneier.com/blog/archives/2017/10/security_flaws_2.html