6 Best Authentication Solutions for Shared Devices in 2026

Finding the best authentication solution for shared devices requires a different set of criteria than evaluating authentication for one-user, one-device environments. A single terminal may be accessed by multiple workers during a shift, making individual session attribution, fast user switching, and device-independent authentication critical. Each handoff is a security event that authentication systems were not built to handle. Credentials get shared, sessions stay active. And when something goes wrong, no audit trail can tell you who was at the keyboard.

According to the Unit 42 2026 Incident Response Report, identity-related weaknesses continue to be a significant factor in breach investigations. On shared devices, where credentials can be reused and sessions can remain active between users, the risk is compounded at every shift change.

Shared device authentication is the process of verifying individual user identity on company-owned endpoints that multiple workers access across a shift. In frontline environments, the goal is to provide secure individual access without requiring every worker to have a personal device or corporate email account. Done right, every session has a named, verified owner. Done wrong, it leaves an open door labeled “shared credentials.”

This guide covers what separates a solution built for this problem from one adapted to it, then evaluates six platforms against the criteria that matter most in operational environments.

Why Shared Device Authentication is a Different Problem

Many authentication platforms are optimized for a one-person, one-device model. That works in an office. It breaks on a factory floor where a rugged tablet rotates through five workers across three shifts, or in a clinical environment where nurses share workstations on a 12-hour rotation.

The problems that follow are structural. Shared passwords become the path of least resistance. Session takeover becomes routine. In regulated industries, shared logins can make it difficult to maintain the individual attribution and auditability expected by security and compliance programs, particularly in environments subject to HIPAA and PCI DSS requirements.

Standard passwordless options often do not close this gap either. Passkeys are device-bound. Push notifications require a personal smartphone, which phone-restricted environments prohibit. The solutions that work for shared devices authenticate the person, not the device, quickly enough that shift-change friction does not become a security workaround.

What to Look for in a Shared Device Authentication Solution

Five criteria separate solutions built for shared device environments from those adapted to them:

• Individual session attribution: Every login must tie back to a verified individual, not a shared account. Without this, organizations may struggle to meet individual accountability, auditability, and access-control requirements in regulated environments.
• Support for phone-restricted environments: Many operational sites prohibit personal devices on the floor. A solution relying on push notifications or smartphone-based passkeys leaves those workers unprotected.
• Fast, frictionless shift-change login: If authentication takes more than a few seconds at shift change, workers find workarounds. Fast login is critical in shift-based environments. When authentication takes too long, workers are more likely to avoid or work around security controls.
• Offline and low-connectivity capability: Warehouses, manufacturing floors, and remote clinics have limited or intermittent connectivity. Authentication cannot depend on a live cloud connection for every login.
• Compliance-ready audit trails: Every session needs a logged, attributable record. Clean per-user audit logs reduce time during compliance audits and incident investigations considerably.

Shared Device Authentication: Feature Comparison

Solution	Shared devices	Phone-free authentication	Fast user switching	Offline capability	Best fit
OLOID					Frontline/shared-device environments
Microsoft Entra ID		Limited		Limited	Microsoft-centric organizations
Okta		Limited		Limited	Enterprise identity environments
HID Global				Depends on deployment	Physical + digital access
Ensurity					Small multi-user workstations
Imprivata				Depends on deployment	Healthcare/clinical workflows

The 6 Best Authentication Solutions for Shared Devices

1. OLOID: Built from the Ground Up for Shared Device Environments

Best for: Manufacturing, healthcare, retail, pharmaceuticals, and critical infrastructure with shared terminals and frontline workforces

OLOID is purpose-built around shared-device and frontline authentication scenarios. Its core model assumes shared terminals, shift-based access, and workers without personal devices or corporate email, not as an edge case to configure around, but as the default environment.

Authentication methods built for the floor

Workers can authenticate using face recognition, NFC badge tap, QR code, or PIN, depending on the deployment. Each method is designed to associate the session with an individual worker rather than a shared device account. Face authentication includes liveness detection, while badge and QR-based options provide alternatives for environments where biometric authentication is not practical. PIN can serve as a fallback authentication method without relying on a shared passcode.

Login takes seconds at shift change. No smartphone. No hardware token. No personal device.

Deployment and integrations

OLOID integrates with identity platforms including Okta, Microsoft Entra ID, and Ping Identity, allowing organizations to add frontline authentication capabilities without replacing their existing identity infrastructure. It registers as an External Authentication Method in Entra ID, which means existing Conditional Access policies and identity governance stay intact. OLOID can also connect frontline identity with workforce and HR systems, helping organizations align worker identity with operational workflows.

Offline capability is built in. Authentication continues on manufacturing floors, remote clinics, and warehouses where connectivity is intermittent, with audit logs syncing on reconnect.

Compliance coverage

Per-session audit logs help organizations maintain individual user attribution and support audit and investigation workflows in regulated environments. OLOID is designed to support authentication and access-control requirements relevant to environments subject to frameworks such as HIPAA and PCI DSS. Every session is attributed to a named, verified individual; not a device, not a role, not a shared account.

Proven at scale

Avery Dennison deployed OLOID for a workforce of 35,000 employees, using badge and PIN authentication to support secure access across frontline environments. Tyson Foods runs the Okta integration across its frontline workforce. Both deployments address the same core gap: individual attribution on shared terminals, at shift-change speed, without personal devices.

Against the five criteria set out earlier, OLOID is designed to address all five criteria within a single frontline authentication platform.

2. Microsoft Entra ID: Strong Identity Foundation for Shared-Device Environments

Best for: Organizations already on M365 needing shared device coverage for knowledge workers and hybrid frontline scenarios

Microsoft Entra ID (formerly Azure AD) is the identity platform most large enterprises already run. Shared Device Mode enables a specific workflow: workers sign in with their own credentials, access apps, and a single sign-out clears all tokens and session data so the next worker starts clean.

Conditional Access policies, Intune device compliance, and the full M365 integration stack are genuine strengths. Windows Hello for Business adds biometric options for Windows-based shared workstations.

Microsoft is moving organizations toward stronger authentication methods as it phases out Microsoft-provided SMS and voice MFA. For frontline environments that rely on shared terminals or restrict personal smartphones, this transition can create an authentication gap that standard passkey deployments may not address. Passkey deployments can work well when workers have access to supported authenticators and devices, but they may not address environments where workers share terminals or cannot use personal smartphones.

For environments with shared terminals and phone-restricted floors, Entra ID typically serves best as the identity provider that a purpose-built solution connects to rather than the authentication layer itself.

3. Okta Workforce Identity: Strong SSO with Device Authorization Flow

Best for: Enterprises with mixed workforce types needing a unified identity platform with flexibility for shared device scenarios.

Okta’s Device Authorization Grant can support shared-device scenarios such as kiosks and other environments where users can authenticate through a separate personal device. The flow displays a short URL and user code on the shared device; the worker scans it on their own phone, so the shared device never receives credentials.

For workforce deployments, Okta Adaptive MFA and FastPass provide phishing-resistant authentication across 8,200+ app integrations, with Conditional Access policies covering device, user, location, and risk score.

The limitation for some frontline environments is that this flow depends on a separate device for the user authentication step. That can be difficult to operationalize in phone-restricted workplaces. Okta serves well as the identity backbone for organizations that layer purpose-built frontline authentication on top via an external authentication method integration.

4. HID Global: Physical + Digital Access in a Single Platform

Best for: Enterprises with combined physical access control and digital authentication needs in manufacturing, critical infrastructure, and government

HID Global’s strength is unification: the same credential that opens the front door can authenticate a worker to a shared terminal. Its Crescendo smart card line is FIDO2 certified, supporting passkeys, PKI, and physical access in a single credential; one badge for the door and the workstation, with no additional hardware required.

The IDmelon acquisition announced in October 2025 extends this further, adding the ability to convert existing access cards, smartphones, and biometrics into FIDO2 security keys, giving organizations a software-based path to passwordless without replacing existing hardware.

Badge-in to facility access and badge-tap to workstation authentication become a single credential lifecycle, reducing IT overhead and orphaned credential risk when workers leave. HID deployments can involve additional hardware, credential and access-control considerations, making it particularly relevant for organizations looking to unify physical and digital access. The right choice when physical and digital access convergence is the primary goal.

5. Ensurity AUTH Desktop: Purpose-Built for Multi-User Shared Terminals

Best for: Regulated environments with shared workstations where individual biometric login at the terminal level is the priority

Ensurity addresses a specific problem most competitors skip: biometric authentication on a single terminal shared by multiple users. AUTH Desktop is a FIDO2-certified hardware key that supports up to three users per device, each with their own fingerprint profile and credentials stored on-device; no external software or cloud services required for authentication.

For call centers, hospital workstations, and manufacturing terminals with stable, small-team environments, this is a practical fit. XSense IdP supports on-premises and air-gapped deployments for environments that cannot use cloud-based authentication, confirmed in production for a power distribution company running locally joined workstations.

The 3-user cap per device creates a practical constraint for larger shift rotations. Re-enrollment overhead applies when workers change. Pricing is custom-quote only.

6. Imprivata: The Clinical Workflow Standard in Healthcare

Best for: Healthcare organizations with EHR-connected shared workstations, nursing stations, and clinical handoff workflows

Imprivata has spent two decades solving the shared workstation problem at nursing stations and clinical desktops. Its OneSign platform enables single sign-on via proximity badge or fingerprint tap, with workflows built around clinical handoffs, fast-user switching, and EHR integration.

Walk-away security (automatic workstation lock when a clinician steps away) and tap-in authentication are built for hospital floor realities. OneSign integrates with Epic, Cerner, and Meditech, and carries compliance documentation aligned to HIPAA individual user identification requirements. Its deepest differentiation is in healthcare, where clinical workflow, EHR integration, fast user switching, and proximity-based authentication are central requirements. Its strength is deep clinical workflow integration.

How to Choose the Right Solution for Your Environment

The question is not which solution has the longest feature list. It is which solution was built to solve the specific version of the shared device problem your environment presents.

If your workers are in a phone-restricted environment, prioritize authentication methods that do not depend on personal smartphones. This eliminates most standard passkey deployments and push-notification MFA approaches immediately.

If compliance attribution is your primary requirement, every login needs a per-user, timestamped audit log tied to a named individual. Shared logins or generic session records can make it difficult to demonstrate individual accountability and maintain the auditability expected in regulated environments.

If you are already running Microsoft Entra ID or Okta, your options include adding a purpose-built frontline authentication layer that connects to your existing identity provider. OLOID can integrate with Entra ID as an External Authentication Method, allowing organizations to extend existing identity infrastructure with authentication methods designed for shared-terminal environments.

FAQs

1. What is the best authentication method for shared devices in manufacturing and healthcare?

The best method is one that authenticates the person rather than the device, fast enough that shift-change friction never becomes a workaround. Face recognition with liveness detection, NFC badge tap, and QR code-based authentication all meet this bar. They require no personal smartphone, work offline, and tie every session to a named individual. PIN can serve as a fallback when biometrics are impractical. The specific method matters less than whether the solution was built for this environment rather than adapted from an office-first architecture.

2. Do shared logins on shared devices violate HIPAA?

Yes. HIPAA’s Security Rule (45 CFR §164.312(a)(2)(i)) requires unique user identification as a required implementation specification, not optional guidance. When multiple workers log in under a shared account, there is no audit trail that ties access to a specific individual. This is a direct compliance failure regardless of how secure the underlying system is. Every person accessing electronic protected health information must do so under their own verified login.

3. What happens to shared device authentication when an employee leaves?

With shared credentials, offboarding creates a gap: the departing employee’s access cannot be revoked without affecting every other worker using the same login. With individual authentication, access is tied to the specific worker and revoked immediately in the identity provider when they are offboarded — no other workers are impacted. This is one of the clearest operational arguments for individual session attribution on shared terminals.

4. Can passkeys work on shared devices?

Standard passkeys are designed for one user per device and do not support multi-user shared terminal environments out of the box. They are also dependent on a personal smartphone or a device-bound authenticator, which makes them impractical in phone-restricted environments. Some purpose-built platforms have developed approaches that extend passkey principles to shared terminals, but these require specific shared-device-native architecture rather than a standard consumer passkey deployment.

5. How do you handle authentication on shared devices when workers have no personal phone or corporate email?

Solutions built for this scenario authenticate using credentials tied to the worker’s identity that exist independently of a personal device or email account: an enrolled face biometric, an NFC employee badge, or a short PIN linked to a workforce management system profile. The key requirement is that enrollment is managed centrally by the employer and authentication happens at the terminal, not on a personal device. Platforms like OLOID are designed for exactly this model, where workers may have no smartphone, no corporate email, and no individual device.