Here are some resources for dealing with social media:

A Parent's Guide to Cybersecurity

http://www.connectsafely.org/wp-content/uploads/securityguide.pdf

A Parent's Guide to Facebook Messenger

https://connectsafely.org/messenger/

A Parent's Guide to TikTok

https://connectsafely.org/parents-guide-to-tiktok/

A Parent's Guide to Snapchat

https://connectsafely.org/snapchat/

FCC SMARTPHONE CHECKER

Visit this website to assess security risks on smartphones

https://www.fcc.gov/smartphone-security