When a site is unsafe, it means

this means that the encrypted or protected personal information if the user that access such site will not be protected from being accessed and used by other person.

Number two it shows that there is not protection against hacking such site.

Explanation: unsafe is the word used when your personal details meant for only you is not guaranteed of not being accessed by another person which might be risky. Thank you.

answer; i believe the correct answer is : communicate safe work practices;