6 min read<\/p>\n
The password is the last single point of failure that nearly every company voluntarily keeps. Phishing emails don\u2019t target the firewall-they target the person entering their password on a fake login page. Passkeys eliminate this exact attack vector, and by 2026, they\u2019ll be productively available to mid-sized businesses as well.<\/strong><\/p>\n Key Takeaways<\/p>\n Related:<\/span>PAM without an enterprise budget<\/a> \/<\/span> OAuth token theft bypasses MFA<\/a><\/p>\n Most successful breaches don\u2019t start with a brilliant exploit-they start with a stolen password. Phishing, credential reuse across services, leaked databases: passwords are vulnerable because they\u2019re a shared secret. The user knows it, the server knows it, and anyone who intercepts or guesses it in between knows it too.<\/p>\n Traditional multi-factor authentication (MFA) has mitigated this-but not solved it. Attackers forward one-time codes via fake pages or harvest session tokens long before the victim grows suspicious. This is where the shift comes in: if there\u2019s no secret left to phish, the most common attack falls flat.<\/p>\n What is a passkey?<\/strong> A passkey is a cryptographic key pair based on the FIDO2 and WebAuthn standards. The private key stays on the user\u2019s device and is unlocked via biometrics or PIN, while the public key resides with the service. There\u2019s no password to transmit, store, or steal.<\/p>\n The key mechanism is domain binding. A passkey registered for the real login page will only work there. If an employee lands on a convincing fake, the browser simply won\u2019t have a matching key to offer. The attack fails not because the user is vigilant, but because of cryptography.<\/p>\n That\u2019s why passkeys are classified as phishing-resistant authentication-a category even security agencies explicitly recommend. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) lists FIDO2 and WebAuthn as one of the few methods that withstand modern phishing. For security teams, this is a rare case where a change eliminates the most common attack path instead of just adding another hurdle.<\/p>\n Getting started in practice has become significantly easier in 2026, as major identity platforms have caught up. Microsoft Entra ID has moved synchronized passkeys and passkey profiles into general availability, now allowing administrators to roll out passwordless sign-in through targeted registration campaigns. The number of permitted passkey profiles per tenant has been increased from three to ten, enabling more nuanced policies for different user groups.<\/p>\n Google Workspace and Apple\u2019s platforms also support passkeys in production. For mid-sized businesses, this means the building blocks are ready within familiar identity platforms-the effort now shifts from technical implementation to smooth adoption. It\u2019s worth checking your current licensing status.<\/p>\n The trickiest part of a passkey project isn\u2019t the sign-in instructions-it\u2019s the recovery process. What happens if an employee loses their smartphone, where their passkey is stored? Without planning for this scenario, you\u2019ll have locked-out colleagues come Monday morning instead of enhanced security. Best practices include backup security keys registered during onboarding, IT-issued recovery codes, and a clearly defined process for re-registration after identity verification.<\/p>\n The second hurdle is legacy applications. Not every internal system or older single sign-on integration supports WebAuthn yet. During the transition, passwords or one-time codes will remain in place for these, turning the rollout into a phased project rather than a single cutover. A smart approach is to start with well-supported, critical accounts like Microsoft 365 and Google Workspace, gradually expanding the passwordless zone from there.<\/p>\n A password is a shared secret that can be transmitted-and intercepted. A passkey is a cryptographic key pair where the private key never leaves the device. There\u2019s nothing to enter on a phishing site.<\/p>\n Passkeys are supported in Microsoft Entra ID and Google Workspace under common business plans. Check your specific tier for exact licensing needs. The main effort, however, lies in adoption and recovery planning-not licenses.<\/p>\n That\u2019s where the recovery plan kicks in. Common solutions include backup security keys registered during onboarding, IT-issued recovery codes, and a defined process for re-registration after identity verification. This scenario must be tested before rollout.<\/p>\n Rarely. Legacy applications and older single sign-on integrations often don\u2019t support WebAuthn yet. The transition happens gradually, starting with well-supported accounts like Microsoft 365, while older systems temporarily continue using passwords or one-time codes.<\/p>\n A passkey combines both factors in one step: possession of the device and authentication via biometrics or PIN. This meets the requirements for strong, phishing-resistant sign-in without needing a separate second factor.<\/p>\n\n
Why passwords have become a risk<\/h2>\n
How passkeys solve the phishing problem<\/h2>\n
Rolling Out via Entra ID and Google Workspace<\/h2>\n
Where Mid-Sized Businesses Hit Snags<\/h2>\n
Frequently Asked Questions<\/h2>\n
What\u2019s the difference between a passkey and a password?<\/h3>\n
Do passkeys require expensive special licenses?<\/h3>\n
What happens if an employee loses their device?<\/h3>\n
Can mid-sized businesses go fully passwordless right away?<\/h3>\n
Does a passkey replace multi-factor authentication?<\/h3>\n
Editor’s Picks<\/h3>\n