Account security has definitively ceased to be solely the concern of paranoid individuals in information security departments. Every day around the world, millions of unauthorized login attempts are recorded, account databases leak by the gigabytes, and darknet marketplaces are flooded with fresh stealer logs. And in the center of all this digital storm, the average user still remains with their familiar password. It would seem that you just add a couple of special characters, force people to change their secret word once a quarter — and the system is securely locked up. But in practice, the reliability of a single password has proven to be a dangerous illusion.