The companies have been fined in the past over outages leaving customers unable to call emergency services.
The child was trying to watch Diary of a Wimpy Kid – but a film with “strong sex and sex references” played instead.
It comes after the government was urged to help close the UK tech sector’s gender gap in order to meet its ambitious AI goals.
When the partnership was unveiled in September the UK government said it would “shape the futures of millions of people”.
The children’s commissioner says children are “crying out” for family time over the festive break.
Meta is encouraging users to verify themselves to unlock more features or engagement with their posts.
The Artificial Intelligence Security Institute (AISI) says the tech is being used by one in 25 people daily.
A new offence looks to build on existing rules outlawing sexually explicit deepfakes and intimate image abuse.