Complete manual/224/en

But by always using the same device (usually a computer) and operating system on that device, you unavoidably increase the chances of making mistakes, no matter how carefully you separate your profiles and do everything ‘right’. For example, you may accidentally sign into a pseudonymous account using the browser profile you have assigned to your "real" identity, which leaves distinct metadata behind that seems unusual compared to the browser profile you usually use for that account, and can even inescapably link that pseudonymous account to your real account if someone is paying very close attention and is capturing your browser data when you log in. You could also get infected by malware that enables your attacker to monitor everything you do online, including all your activities using your many carefully crafted and managed identities.