Having a strong password is essential while using xat. It prevents people guessing your password and getting into your account. See Phishing
What is a strong password?
A strong password consists of at least 8 characters that are a combination of letters (of both uppercase and lowercase) and numbers. Therefore, your password for xat should contain both uppercase and lowercase letters and numbers.
How do I know if my password is strong?
The strength of your password depends on the amount of characters you have used. The more characters your password contains, the stronger it will be.
How do I make a strong password?
Your password should be at least 8 characters long with a mix of uppercase, lowercase characters and numbers. Avoid using your name, username, birthday, repeated characters, or set of common words. Your password should be different to any other social account you own.
How often should I change my password?
You should change your password once every 3 - 6 months.