Here are some tips that helps you to make your password well secured.
1) Dont use only digits.
2) Create password that contains lower and upper case alphabets,
numbers and symbols.
3) Dont use celebrity names, your name, fathers name, date of birth,
mobile number because they are guessable by your friends and
4) Always create password of about 10 to 12 characters.
5) Dont use same password for all user id.