The majority of Internet users are vulnerable to cyber threats because of their own weaknesses in setting up a strong password. But, are end-users completely responsible for choosing weak passwords? The solution is to educate each and every Internet user to follow the best password security practice. There is a password brute-force technique, where a simplecan test or try every possible combination of letters, numbers, and symbols until it matches your secret or encrypted (hashed) password. Even Strong Passwords are Crackable, there is really no such thing as an unbreakable password.
Source: https://thehackernews.com/2016/01/password-security-manager.html