www.bbc.co.uk/news/technology-39115001
The latest security incident from a toy company, Cloudpets, who really don't seem to understand the consequences judging by Troy Hunt's blogposts.
See also My Friend Cayla www.bbc.co.uk/news/world-europe-39002142 recently and VTech last year www.bbc.co.uk/news/technology-35532644
These aren't subtle, highly technically difficult hacks. These are the tech equivalent of leaving kids' private data on the doormat outside the shop.
DS hasn't shown any interest in these yet, but am thinking that it's probably a safe assumption that most toy companies are not a safe haven for his personal details.