Unhackable brain scans may some day replace passwords

Security breaches affecting millions of users have come to light in recent years, yet we’re no better at protecting our personal data, or at picking good passwords , than we were before. But some companies are already looking at new ways to secure customer data that go beyond passwords and PINs. Fingerprint sensors are found on more and more smartphones in recent years, and retina scanners are coming too. But in the future, we may have an even more advanced way of logging into online