Kura implements recommend best practise for secure passwords.
Your password will need to meet the following:
- A minimum of 8 characters
- At least one Upper Case letter
- At least one Lower Case letter
- At least one Number
- At least one Special character as recognised by OWASP (1) (2)
- Valid special characters are:
= + - ^ $ * . [ ] { } ( ) ? " ! @ # % & / \ , > < ' : ; | _ ~ `
References
(2) https://owasp.org/www-community/password-special-characters