Most people use extremely simple passwords like 12345, their name and year of birth (e.g. john1752), or the birthday of some close relative. Studies found that people reuse the same password for many different services provided by different organisations. This means that your personal identity is now tied to that username and secret for that service provider. Facebook currently identify you by asking your username and password. If a hacker breaks into LinkedIn and steals your password, they now have the ability to impersonate you on LinkedIn and other websites that use the. same password.”]