There are 4 levels of strength:
- Vulnerable
- Moderate
- Robust
- Secure
The password length should be equal or bigger to 1
The password length should be equal or bigger to 8 and should contain at least one digit
The password length should be equal or bigger to 8, should contain at least one digit and at least one capital letter
The password length should be equal or bigger to 8, should contain at least one digit, at least one capital letter and at least one special character