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The Password Is Dying, Very Slowly

Passkeys and biometrics are clearly winning, but the long tail of legacy logins shows how hard it is to kill a standard

By Diego ArroyoJune 28, 20263 min read
The Password Is Dying, Very Slowly. Meridian technology.

The password has been declared dead so many times that its persistence has become a kind of running joke among security professionals. And yet this time the obituary has more weight behind it. The major technology platforms have aligned around passkeys, a method that lets a device prove who you are using cryptography and a fingerprint or a face, with no secret string to remember, steal, or reuse. The replacement is genuinely better. The question is not whether it wins, but how long the funeral takes.

Why the password was always broken

The password is a flawed idea wearing the costume of a sensible one. It asks human beings to invent and recall many long, unique, random secrets, which is precisely the task human memory is worst at. The predictable result is reuse, and reuse is what turns a single breach at one careless service into a skeleton key for a person's entire digital life. Decades of advice about complexity and rotation mostly produced friction rather than safety, because the underlying model fought against how people actually behave.

What passkeys change

Passkeys move the secret off the human and into the device. Instead of typing something a thief could capture or guess, you authorise a cryptographic exchange that never sends a reusable secret across the network. There is nothing to phish, because there is no password to hand over to a convincing fake login page, and that single property closes off one of the most common and most damaging categories of attack. For the user, the experience is simply unlocking a phone or a laptop, which is the rare case of better security that is also less work.

The long tail will not die

Standards, however, do not die on the schedule that their successors deserve. The internet is built on a vast accumulation of older systems: corporate tools commissioned years ago, government portals, small services maintained by no one in particular, and countless accounts that predate the new method and will never be upgraded. Each of these represents a login that still depends on the old secret, and a system is only as strong as the weakest way into it. As long as a password remains an accepted fallback anywhere, attackers will simply aim for the fallback.

There is also the awkward matter of recovery. When the secret lived in a person's head, losing access meant resetting a password. When it lives in a device, losing the device raises harder questions about how to prove who you are without reintroducing exactly the vulnerable backdoor the new method was meant to abolish. The industry's answers here are improving but still uneven, and that unevenness slows trust.

Inertia as a security property

The deeper lesson is about how hard it is to retire infrastructure that works well enough. A standard survives not because it is good but because it is everywhere, and everywhere is expensive to change. Migration demands that every service, every device, and every habit move roughly together, and they never do. So the password will not vanish on an announced date. It will fade unevenly, surviving longest in the corners no one has the budget or the incentive to modernise.

That slow fade is itself the story. The future of authentication is not in doubt, but the present is a long, overlapping transition in which the strong new method and the weak old one coexist, and the weak one keeps the door ajar. Killing a password is easy. Killing the password, the whole sprawling institution of it, is the work of a decade, and that decade has only begun.

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