Most people use terribly weak passwords, which are easy to crack and very dangerous.

So Mozilla Firefox has offered  us some easy tips on how to make

a really strong password to protect our privacy.

Read the information, watch the video

https://support.mozilla.org/el/kb/Choosing%20More%20Secure%20Passwords

and maybe, why not,

you can write a  version of this in Greek

to help your friends whose English may not be so good!