Create or find a classroom resource that teaches students about creating strong passwords, passcodes or passphrases.

https://curriculum.code.org/csf-19/coursec/2/

I think this link is very handy to have. It engages children on thinking about their private information and how to properly protect it, the activity is ended with flash cards on things such as “what is a password” and “the do’s and don’t’s of passwords”.