By Hackermane — Guest Contributor, Tech Scene Media
You've likely noticed throughout this series that we are moving toward letting technology handle the complexities that were once a heavy human burden. The truth is, even with a password manager, passwords are fundamentally flawed: you remain vulnerable to phishing and server breaches, and your master password remains a high-stakes single point of failure. While we can’t entirely remove the human from the loop (you still have to manage your devices and managers), passkeys allow us to move away from the most dangerous part of the equation.
Recall that the core of Multi-Factor Authentication (MFA) relies on at least two of four pillars: something you know, have, are, or where you are. Passkeys essentially collapse two of these pillars into one seamless action. By using your device (something you have) to verify a fingerprint or face scan (something you are), you fulfill both requirements at once, making it more convenient than a username + password. And because this process uses "public-key cryptography", there is no password sent to a server for a hacker to steal, making passkeys significantly more secure.
But don't pack up your password manager just yet; we are in a transition, not a completed revolution. Many sites still rely on old-school passwords, or worse — they use passkeys as just another MFA option. As long as a "password fallback" exists, a less-secure back door remains open to the credential stuffing attacks we’ve covered previously.
There is also the "ecosystem trap." Moving passkeys between Android and iOS can feel like moving houses—you have the keys, but they might not fit the new locks. You could use physical FIDO2 hardware keys to add even more "something you have" security, but that introduces the friction of managing another physical device to carry and protect. Third-party managers help bridge these gaps, though they add their own layer of complexity.
So, how do we reach that future? By starting now. Whenever a site offers to "Create a Passkey," do it. For developers, the mission is to implement these using open standards to ensure this security is universal. Every account you migrate is one step closer to the safety we’re aiming for. The road is messy, but the destination is worth the trip.
Next time: We’ve secured your credentials and upgraded your armor; now let’s talk about how hackers try to trick you into handing over the keys anyway. Stay tuned as we dive into Social Engineering.
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Guest Writer: Hackermane is a Memphis-based security expert and organizer of Midsouth Makers and Memphis Info Security, two meetups built on the same premise as this article: the threats are bigger than any one person, but the people in the room are how the city gets ahead of them anyway. Learn more or hang out: https://hackermane.com/