Internet safety
https://www.commonsense.org/education/digital-citizenship/internet-safety
https://www.missingkids.org/NetSmartz
https://www.connectsafely.org/safetytips/
https://www.connectsafely.org/social-web-tips-for-teens/
http://www.safetynetkids.org.uk/personal-safety/staying-safe-online/
https://kidshelpline.com.au/kids/issues/being-safe-internet
Videos:
https://www.youtube.com/watch?v=HxySrSbSY7o
https://www.youtube.com/watch?v=yrln8nyVBLU
https://www.youtube.com/watch?v=X9Htg8V3eik