By NHI Mgmt Group Editorial TeamPublished 2025-07-29Domain: Governance & RiskSource: Imprivata

TL;DR: Shared mobile devices in healthcare deliver workflow, clinical, and cost benefits, but the 2025 Imprivata state of shared mobile devices in healthcare report shows that 44% of facilities still lack comprehensive policies and 87% struggle with device access, creating avoidable security and operational friction. Shared mobile only pays off when identity-driven controls, real-time tracking, and standardised governance replace informal handoffs.


At a glance

What this is: This report examines shared-use mobile devices in healthcare and finds that operational gains are being constrained by weak access, tracking, and policy discipline.

Why it matters: It matters because shared mobile is becoming part of identity governance, with implications for clinician workflow, device accountability, and security across NHI, IAM, and lifecycle controls.

By the numbers:

👉 Read Imprivata's report on shared mobile devices in healthcare


Context

Shared mobile in healthcare is the use of pooled devices that staff can check out, authenticate to, and return across shifts instead of assigning a single handset to one person. The identity problem is not the device itself but the trust model around who can access it, when, and how that access is recorded.

The report shows that healthcare organisations are already treating shared mobile as core infrastructure, but governance has not kept pace with adoption. When access is handled through informal handoffs, legacy passwords, or manual sign-out processes, the programme becomes harder to secure, harder to audit, and less efficient than it should be.

For identity teams, shared mobile sits at the intersection of human authentication, device accountability, and lifecycle control for shared credentials and access workflows. That makes it relevant to IAM, PAM-style oversight, and operational governance rather than to mobility alone.


Key questions

Q: How should healthcare organisations govern shared mobile devices without slowing clinical work?

A: Use identity-driven checkout, centralised asset tracking, and simple role-based policies so access is fast but still attributable. The goal is to make device handoff a recorded control point, not a manual workaround, so clinical staff keep momentum while security and audit teams retain visibility.

Q: Why do shared mobile programmes fail when access is managed informally?

A: They fail because informal handoffs break the audit trail between the person, the device, and the return event. Without a reliable record, teams cannot prove custody, reclaim lost devices quickly, or measure whether the programme is actually reducing operational friction.

Q: What signals show a shared device programme is under-controlled?

A: Repeated device loss, slow start-of-shift assignment, inconsistent checkout practices, and reliance on spreadsheets or verbal instructions are all warning signs. If staff can bypass the formal process without consequence, the programme has convenience but not governance.

Q: Who should own shared mobile governance in healthcare?

A: Ownership should sit jointly with identity, endpoint, and operational leaders because shared mobile is both an access problem and an asset-control problem. Identity teams define who can use the device, IT enforces tracking, and clinical operations define the workflow.


Technical breakdown

Identity-driven access on shared mobile devices

Shared mobile programmes depend on fast, repeatable identity proofing at the point of use. In healthcare, that usually means badge tap, single sign-on, or other policy-enforced authentication that removes the friction of usernames and passwords while preserving traceability. The architecture matters because pooled devices do not have a stable one-to-one owner, so the access event must substitute for ownership. If authentication is weak or slow, staff bypass controls and the programme drifts into informal use.

Practical implication: treat device checkout as an identity event, not a convenience feature.

Why manual sign-out breaks shared device governance

Manual sheets, spreadsheets, and verbal handovers do not create a reliable access record. They fail because they separate the identity decision from the device handoff, which makes it difficult to know who had which device, for how long, or whether the device should have been reclaimed. In a healthcare setting, that gap affects both security and operations: a missing device is also a missing audit trail, and a delayed handoff is also lost clinical time. Governance needs a system of record, not a memory aid.

Practical implication: replace informal allocation with centralised checkout and return tracking.

Shared mobility, asset visibility, and policy enforcement

Shared mobile security depends on seeing the full device lifecycle, from assignment to return to exception handling. Policy-enforced mobile management ties user access, device location, and usage state together so the organisation can recover devices, prove compliance, and reduce loss. This is not the same as generic mobile device management alone. The report’s core message is that programme value comes from combining workflow design with governance controls, not from the hardware form factor itself.

Practical implication: align mobile access policy, asset tracking, and compliance reporting in one governance model.


Threat narrative

Attacker objective: The objective is to exploit weak shared-device governance to gain untracked access to clinical endpoints or benefit from lost-device exposure.

  1. Entry occurs when a staff member gains access to a shared device through weak, password-based, or informal checkout processes instead of an identity-driven handoff.
  2. Escalation follows when the device is reused without reliable return logging, making it unclear who last accessed it and whether the device remains trustworthy.
  3. Impact is device loss, audit failure, and avoidable exposure of clinical access paths, which reduces ROI and weakens security accountability.

Read our 52 NHI Breaches Analysis report for a comprehensive view of breaches impacting Non-Human Identities including AI Agents.


NHI Mgmt Group analysis

Shared mobile governance is becoming a core identity control, not a facilities issue. The report shows that pooled devices now sit inside the clinical identity plane because access, accountability, and productivity all depend on the same checkout process. That means identity leaders need to treat shared mobile as part of IAM and governance design rather than as an endpoint convenience feature. The practical conclusion is that mobility programmes now need identity ownership.

Informal device handoff creates a governance gap that policy alone cannot close. Manual sign-out sheets, spreadsheets, and verbal allocation break the connection between the identity event and the asset record. Once that link is broken, auditability drops, recovery slows, and loss becomes structurally normal. The practical conclusion is that shared mobility requires a system of record with enforceable assignment state.

Identity-driven shared checkout: the real control is not the phone but the verified handoff. Shared mobile works when the organisation can prove who accessed the device, when access ended, and whether the device returned to a known state. That is a lifecycle problem as much as an authentication problem. The practical conclusion is that lifecycle governance must extend to pooled endpoints and their access events.

Shared mobile ROI depends on governance maturity, not adoption volume. The report ties stronger policy and centralised management to materially better savings and return on investment. That means scaling device counts without standardised access and tracking simply scales risk and waste. The practical conclusion is that leaders should measure control quality before expanding the fleet.

Healthcare mobility programmes expose the same control pattern seen across NHI sprawl: unmanaged access creates hidden operational debt. Devices without clear identity-linked assignment behave like any other lightly governed credential surface. They are easy to use, hard to audit, and expensive to recover when the programme grows. The practical conclusion is that identity governance must cover the access path, not just the endpoint.

From our research:

  • 80% of identity breaches involved compromised non-human identities such as service accounts and API keys, according to the Ultimate Guide to NHIs.
  • 91.6% of secrets remain valid five days after the targeted organisation is notified, showing that delayed remediation is still a common control gap.
  • A useful next lens is NHI Lifecycle Management Guide, which shows how provisioning, rotation, and offboarding controls reduce access drift across identity types.

What this signals

Shared mobile in healthcare is a reminder that identity governance is not limited to accounts and passwords. When access is pooled, every handoff becomes a control point, and the organisation either records that event or leaves it to memory and workarounds. The programme signal is clear: if identity teams want reliable auditability, they must design for the device lifecycle as well as the user lifecycle.

Identity-linked custody: shared devices create a custody model where access and accountability must move together. In practice, that means the next maturity step is not more hardware, but a better system for proving who had the asset, when control changed, and whether return happened cleanly.

For teams already investing in mobile workflow, the real question is whether the programme can survive scale without informal exceptions. Centralised tracking, policy enforcement, and reporting should be assessed together because the business case only holds when operational speed and governance quality rise at the same time.


For practitioners

  • Make checkout an identity event Tie shared device assignment to badge tap, SSO, or another policy-enforced access step so the handoff creates a verifiable record instead of a verbal promise.
  • Replace informal allocation methods Retire sign-out sheets, spreadsheets, and first-come, first-served sharing in favour of centralised tracking that shows who has each device and when it was returned.
  • Standardise shared-device policy by role Define who may take which device, under what shift conditions, and what must happen at return so clinical teams do not invent their own allocation rules.
  • Measure loss, latency, and compliance together Track device loss rate, start-of-shift assignment time, and auditability as one governance set so operational gains do not hide security degradation.

Key takeaways

  • Shared mobile improves clinical workflow only when identity, access, and asset custody are governed together.
  • The report shows that weak policies and informal handoffs turn device sharing into a loss and audit problem, not just a mobility problem.
  • Healthcare teams should treat shared mobile checkout as a governed identity event and measure it accordingly.

Standards & Framework Alignment

This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.

NIST CSF 2.0, NIST SP 800-63 and NIST Zero Trust (SP 800-207) set the governance and control requirements practitioners need to meet.

FrameworkControl / ReferenceRelevance
NIST CSF 2.0PR.AC-4Shared device checkout is an access control and accountability problem.
NIST SP 800-63Fast authentication at point of use matters in clinical mobility workflows.
NIST Zero Trust (SP 800-207)PR.ACShared mobile access should be continuously verified and tightly scoped.

Use appropriate authenticator assurance for shared access so staff can authenticate quickly without weakening traceability.


Key terms

  • Shared Mobile Device: A shared mobile device is a pooled handset or tablet used by multiple staff members across shifts or tasks. It differs from a personally assigned device because access, custody, and return must be governed explicitly, or the organisation loses visibility into who used it and when.
  • Identity-Driven Access: Identity-driven access is a control model where authentication and authorisation determine who can use a device or application at the point of need. In shared mobile programmes, it replaces informal handoffs with a verifiable event that can be logged, audited, and linked to accountability.
  • Asset Custody: Asset custody is the chain of responsibility that shows who had physical or logical control of a device at each stage of use. For shared mobile, custody must be recorded in a way that survives shift changes, exceptions, and urgent clinical use, or loss and dispute become normal.
  • Lifecycle Governance: Lifecycle governance is the set of policies and controls that manages access from assignment to return, including exceptions and offboarding. In shared mobile environments, it ensures pooled devices do not drift into unmanaged, informal use that weakens both security and operational control.

Deepen your knowledge

NHI governance, agentic AI identity, and machine identity lifecycle are core topics in our NHI Foundation Level course, the industry's only accredited NHI security programme. If you are responsible for identity security strategy or NHI governance in your organisation, it is worth exploring.

This post draws on content published by Imprivata: The 2025 state of shared mobile devices in healthcare. Read the original.

NHIMG Editorial Note
Published by the NHIMG editorial team on 2025-07-29.
NHI Mgmt Group — the independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org