Passwords would be more secure if they had to contain:
- One upper case character
- One lower case character
- One Latin character
- One number
- One symbol
- One music note
- One hanji character
- One hirigana character
- One emoji
- One Tamil character
- One currency symbol
- One Thai character
- One Sanskrit character
- One hieroglyph symbol
- One runic character
- One Korean letter
- One non-printing character
- One diacritical mark