It is very important to make your passwords secure. Most people choose simple passwords such as 'password' and '12345'. These are very easy to guess, so they may allow attackers to access your personal data. Many online services can be accessed by just a password. Also, millions of passwords are exposed each year through data breaches as well. There is no way to prevent data breaches, but you can use two-factor authentication to render the password useless for account access. You can use a password manager to keep track of your passwords or create an algorithm that only you know how to create. It is a good idea to use 2-Factor Authentication in addition to your password for added security.