Meta & Children's Online SafetyMeta terminology
B&H
Bullying and Harassment
One of Meta's content-policy categories and a measured harm. The source document states that bullying-and-harassment prevalence in DMs is "very high (10%) according to the September prototype metric", against 7% of teens reporting they experience bullying on Instagram each week.
Sources
Internal documentYouth Offsite - Insights Session
Internal documentHow should we default new teens into new interactions settings? (post)