To prevent your passwords from being hacked by social engineering, brute force or dictionary attack method, and keep your online accounts safe, you should notice that:
1. Do not use the same password, security question and answer for multiple important accounts.
2. Use a password that has at least 16 characters, use at least one number, one uppercase letter, one lowercase letter and one special symbol.
3. Do not use the names of your families, friends or pets in your passwords.
4. Do not use postcodes, house numbers, phone numbers, birthdates, ID card numbers, social security numbers, and so on in your passwords.
5. Do not use two or more similar passwords which most of their characters are same, for example, ilovefreshflowersMac, ilovefreshflowersDropBox, since if one of these passwords is stolen, then it means that all of these passwords are stolen.
6. Do not use something that can be cloned( but you can not change ) as your passwords, such as your fingerprints.
7. Do not let your Web browsers( FireFox, Chrome, Safari, Opera, IE, Microsoft Edge ) to store your passwords, since all passwords saved in Web browsers can be revealed easily.
