Nobody likes changing and remembering new passwords but we all have to do things we don’t like to do. If you need to change your passwords every three to six months, using strong passwords can significantly limit risk and exposure. And passwords should never be reused. Passwords are often stolen without the user knowing and they aren’t used immediately. Just look at the breaches of LinkedIn, Yahoo, Twitter and others. In some cases, people didn’t know their password was exposed until four years after it happened.