Passwords must be 8-16 characters long with at least 3 of the following characteristics:
- Contain an English upppercase character (A-Z)
- Contain an English lowercase character (a-z)
- Contain a number (0-9)
- Contain a symbol (` ~ ! @ # $ % ^ & * ( ) _ + - = | [ ] \ : " ; ' < > ? , . /)
