IoT Identity and Access Management Market (2026 - 2033)

IoT Identity and Access Management Market Summary

The global IoT identity and access management market size was valued at USD 6.2 billion in 2025 and is projected to grow from USD 7.2 billion in 2026 to USD 23.5 billion by 2033, at a CAGR of 18.4% from 2026 to 2033. The market in North America dominated with a revenue share of 38.5% in 2025. The market is evolving from traditional device authentication toward comprehensive management of non-human identities, including sensors, gateways, connected machines, vehicles, applications, APIs, and autonomous machine agents.

The rapid expansion of heterogeneous IoT ecosystems is increasing the need to uniquely identify devices, control their permissions, monitor their activities, and manage credentials throughout their lifecycle. Zero Trust is becoming a central architecture for IoT IAM, replacing implicit network-based trust with continuous verification of devices, users, applications, and data flows. Organizations are increasingly adopting least-privilege access, micro-segmentation, continuous authentication, device posture assessment, and risk-based authorization to prevent compromised IoT devices from moving laterally across networks. Recent research specifically identifies Zero Trust as increasingly important for securing resource-constrained IoT environments and managing non-human identities.

Another important trend is the growing adoption of certificate- and PKI-based device identity management. As organizations manage increasingly large and geographically distributed device fleets, manually provisioning and rotating credentials becomes impractical. Automated onboarding, certificate issuance, renewal, rotation, and revocation are therefore becoming critical capabilities. In November 2025, NIST released updated guidance focused specifically on secure IoT device onboarding and lifecycle credential management, reinforcing the shift toward scalable, automated device identity processes.

Cloud and edge computing are also reshaping IoT IAM architectures. Cloud-based platforms provide centralized visibility and policy management across large device fleets, while edge environments require lightweight and distributed identity and access controls capable of operating with low latency and intermittent connectivity. At the same time, the convergence of IT, OT, and IoT is encouraging organizations to integrate IAM with endpoint security, network security, SIEM, and broader security operations platforms rather than managing device identities in isolation.

Market Dynamics

The IoT identity & access management market is primarily driven by the rapid proliferation of connected devices and the growing cybersecurity risks associated with unmanaged device identities. As enterprises deploy larger fleets of sensors, industrial controllers, connected vehicles, medical devices, and edge devices, conventional identity-management approaches are increasingly inadequate for managing machine identities at scale. Rising cyberattacks targeting IoT environments, stricter security requirements, and the adoption of Zero Trust architectures are further encouraging organizations to implement continuous authentication, least-privilege access, device posture verification, and automated credential management. Recent NIST guidance also emphasizes trusted, automated IoT onboarding and lifecycle management as important mechanisms for preventing unauthorized devices from accessing networks.

However, high implementation complexity, fragmented IoT ecosystems, legacy infrastructure, and interoperability challenges can restrain adoption, particularly among organizations operating heterogeneous devices and resource-constrained endpoints. IoT IAM solutions must support diverse protocols, hardware capabilities, operating environments, and cloud/edge architectures while maintaining low latency and operational continuity. At the same time, these challenges are creating opportunities for cloud-based IAM, PKI and certificate lifecycle management, passwordless authentication, AI-driven access control, and managed IoT security services. The increasing convergence of IT, OT, and IoT, along with the emergence of AI-enabled connected systems, is expected to further expand the role of IAM from basic authentication toward continuous, risk-based identity governance.

Market Concentration & Characteristics

The global IoT identity & access management market is moderately concentrated, with participation from established identity and cybersecurity vendors, cloud and enterprise technology providers, IoT security specialists, and companies offering device identity and authentication solutions. Leading players such as Microsoft, IBM, Cisco, Okta, Thales, Entrust, HID Global, and DigiCert are strengthening their market presence through device identity management, authentication, authorization, certificate management, and identity lifecycle solutions designed for enterprise, industrial, healthcare, automotive, and critical infrastructure environments. Alongside established vendors, specialized providers are expanding their portfolios with IoT device identity platforms, PKI-based authentication, certificate lifecycle management, zero-trust access controls, and machine identity solutions tailored to diverse IoT ecosystems. The competitive landscape is also influenced by vendors' ability to integrate IoT IAM with existing IAM, PKI, SIEM, endpoint security, cloud security, and OT security environments, while supporting large-scale and heterogeneous connected-device deployments.

The IoT identity & access management market is characterized by increasing technological development focused on improving authentication security, scalability, interoperability, automation, and lifecycle management of connected-device identities. Vendors are developing solutions capable of managing millions of device identities while providing continuous authentication, granular authorization, credential rotation, and real-time access control across cloud, edge, and on-premises environments. Growing demand for protection against compromised IoT devices is encouraging the integration of IoT IAM with Zero Trust architectures, behavioral analytics, network segmentation, security monitoring, and automated threat detection platforms. The market is also witnessing increased adoption of PKI and certificate-based authentication, passwordless authentication, multi-factor authentication, and automated device onboarding to address the limitations of conventional credentials. Furthermore, rising cybersecurity regulations, increasing IT-OT convergence, proliferation of machine identities, and the emergence of AI-enabled connected devices are encouraging organizations to incorporate IoT IAM into broader identity security and defense-in-depth strategies.

Analyst Perspective

The IoT Identity and Access Management market is transitioning from basic device authentication toward continuous, machine-centric identity governance, driven by the rapid expansion of connected devices and increasingly distributed IoT environments. Vendors are increasingly differentiating through Zero Trust, automated device onboarding, certificate lifecycle management, passwordless authentication, and risk-based access controls. Cloud-based platforms are gaining traction for scalability, while specialized capabilities remain important for industrial, healthcare, and other sensitive environments. Overall, vendors that combine scalable IAM platforms with strong IoT device identity, automation, and interoperability are likely to gain a competitive advantage.

Component Insights

The solutions segment accounts for the largest share of 69.0% in 2025 in the IoT identity and access management market, driven by the growing need for scalable device identity, authentication, authorization, credential management, and access-control capabilities across rapidly expanding IoT ecosystems. The increasing focus on identifying and addressing vulnerabilities across connected devices is further encouraging organizations to adopt dedicated IoT security and identity solutions, particularly as weak authentication mechanisms and insecure device configurations can expose broader enterprise networks to unauthorized access. For instance, in April 2024, GuidePoint Security introduced its IoT Security Assessment, which evaluates IoT device hardware, firmware, networking, and supporting infrastructure to identify security weaknesses and help organizations prevent unauthorized access to their IoT ecosystems. Consequently, rising IoT security risks and the need for purpose-built identity and access controls are expected to sustain the dominance of the solutions segment throughout the forecast period.

The services segment is expected to witness significant CAGR from 2026 to 2033 in the IoT identity and access management market due to the increasing complexity of deploying, integrating, and managing identity solutions across heterogeneous IoT environments. Organizations increasingly require specialized consulting, implementation and integration, managed services, and support and maintenance to connect IoT IAM platforms with existing IT, OT, cloud, and security infrastructures. The need for continuous credential management, device onboarding, access-policy configuration, and lifecycle management is further increasing demand for external expertise.

Authentication Type Insights

The Multi-factor Authentication (MFA) segment accounts for the largest share by authentication type in 2025 in the IoT Identity and Access Management market, driven by the increasing need for stronger authentication mechanisms to protect connected devices, users, and machine identities against credential theft, phishing, and unauthorized access. The growing adoption of risk-aware and phishing-resistant MFA is further supporting segment growth as organizations seek authentication that can continuously adapt to changing security conditions. For instance, in March 2026, CrowdStrike announced the general availability of FalconID, which extends its identity security platform with risk-aware, phishing-resistant MFA and continuously evaluates identity, device, endpoint, and behavioral risk signals to determine whether access should be permitted. Consequently, the shift toward adaptive and risk-based authentication is expected to reinforce MFA's leading position in IoT IAM.

The blockchain segment is predicted to register the fastest CAGR during the upcoming years in the IoT Identity and Access Management market, driven by the growing need for decentralized, tamper-resistant, and transparent identity and access-control mechanisms for large and distributed IoT ecosystems. The increasing limitations of centralized identity architectures, including single points of failure, identity spoofing, and scalability challenges, are encouraging organizations to explore blockchain-based decentralized identity, smart contracts, and distributed authentication for connected devices. For instance, in August 2026, researchers published a blockchain-based decentralized IoT access-control framework that uses a permissioned blockchain as a distributed trust anchor and enables fine-grained authorization across multiple administrative domains, highlighting the increasing development of blockchain-enabled approaches for scalable and interoperable IoT access management. Consequently, growing demand for decentralized trust, secure device authentication, and automated access governance is expected to accelerate adoption of blockchain-based IoT IAM solutions.

Deployment Insights

The cloud segment dominated the IoT Identity and Access Management market by deployment in 2025 due to the scalability, flexibility, and cost efficiency offered by cloud-based IAM platforms for managing large and geographically distributed IoT device ecosystems. Cloud deployment enables centralized identity management, real-time policy updates, remote device authentication, and seamless integration with IoT platforms without requiring organizations to maintain extensive on-premises infrastructure. The growing adoption of cloud-based IoT environments and the need to rapidly scale identity controls as connected-device fleets expand are further supporting cloud adoption. Consequently, the ability of cloud-based IAM to provide centralized, scalable, and continuously managed identity controls is expected to sustain its dominance.

The on-premises segment is projected to witness notable growth during the forecast period in the IoT Identity and Access Management market due to the increasing need for greater control over sensitive device identities, authentication credentials, and access policies, particularly across critical infrastructure, industrial, government, and highly regulated environments. Organizations operating air-gapped or latency-sensitive IoT and OT environments often prefer locally deployed IAM infrastructure to maintain data sovereignty, minimize dependence on external connectivity, and integrate identity controls with existing on-premises security architectures. For instance, Armis offers an on-premises OT/IoT security deployment specifically for organizations requiring full control over data and infrastructure, including environments subject to strict data-residency requirements and air-gapped networks. Consequently, the need for localized identity management, data sovereignty, and secure operation of isolated IoT environments is expected to sustain demand for on-premises IoT IAM deployments.

Organization Size Insights

The large enterprises segment held the largest revenue share by organization size in 2025 in the IoT Identity and Access Management market, driven by the large-scale deployment of connected devices, greater cybersecurity requirements, and higher investments in identity security infrastructure among enterprises managing complex IoT ecosystems. Large organizations typically operate extensive fleets of industrial equipment, sensors, connected vehicles, medical devices, and edge systems, creating a greater need for centralized device identity, authentication, authorization, and lifecycle management. The growing focus on securing non-human identities is further strengthening adoption among large enterprises, as organizations increasingly need to manage machine identities alongside human users across distributed IT, OT, cloud, and edge environments. Consequently, the scale and complexity of enterprise IoT environments are expected to sustain large enterprises as the leading customer segment.

The SMEs segment is expected to grow at the fastest CAGR from 2026 to 2033 in the IoT Identity and Access Management market due to the increasing availability of affordable, cloud-based, and subscription-driven IAM solutions that reduce the upfront infrastructure and technical expertise required for deployment. As SMEs increasingly adopt connected devices across manufacturing, retail, healthcare, logistics, and other applications, their exposure to device-related cyber risks is growing, encouraging investments in authentication, device identity, and access controls. The availability of managed services and simplified IAM platforms is also enabling SMEs to implement capabilities that were previously concentrated among large enterprises. Consequently, the combination of rising IoT adoption, increasing cybersecurity requirements, and lower-cost cloud-based IAM offerings is expected to accelerate SME adoption throughout the forecast period.

End User Insights

The manufacturing segment accounted for the largest share by end user in 2025 in the IoT Identity and Access Management market, driven by the rapid adoption of Industry 4.0 technologies and the growing deployment of connected machines, PLCs, robots, sensors, industrial gateways, and other IoT-enabled assets across production environments. As manufacturers increasingly connect operational technology (OT) with enterprise IT and cloud platforms, the number of machine and device identities requiring secure authentication, authorization, and lifecycle management is expanding significantly. The increasing focus on preventing unauthorized access and lateral movement across interconnected production networks is further strengthening demand for IoT IAM solutions. Consequently, continued industrial digitalization and the convergence of IT, OT, and IoT environments are expected to sustain manufacturing's leading position in the market.

The healthcare segment is expected to grow at a significant CAGR in the IoT identity and access management market, driven by the rapid proliferation of connected medical devices and the increasing need to secure device identities, patient data, and access to connected healthcare systems. Hospitals and healthcare providers are increasingly deploying connected infusion pumps, patient-monitoring systems, imaging equipment, wearable devices, and remote patient-monitoring platforms, creating a large and complex ecosystem of non-human identities that require continuous authentication and authorization. In addition, stringent requirements for patient data protection and medical device cybersecurity are encouraging healthcare organizations to strengthen identity-based security controls. Consequently, the expanding IoMT ecosystem and growing emphasis on patient safety and cybersecurity are expected to accelerate adoption of IoT IAM solutions across healthcare environments.

Regional Insights

The North America IoT identity and access management market held the largest global revenue share of 38.5% in 2025, due to increasing adoption of automated IoT device onboarding and machine-identity lifecycle management, with organizations moving toward unique device credentials, continuous device verification, and automated credential rotation. The region is also seeing stronger integration of IoT IAM with Zero Trust and IT/OT security architectures, particularly across manufacturing, energy, healthcare, and critical infrastructure. Additionally, growing edge computing deployments are driving demand for decentralized and low-latency identity controls that can authenticate devices closer to the network edge while maintaining centralized policy management.

U.S. IoT Identity and Access Management Market Trends

The IoT identity and access management industry in the U.S. is expected to grow significantly from 2026 to 2033, driven by the rapid expansion of connected devices across enterprise, industrial, healthcare, and critical infrastructure environments, alongside increasing demand for secure device authentication and lifecycle management. The growing emphasis on trusted device onboarding, unique device credentials, continuous verification, and automated identity management is further supporting adoption. For instance, in November 2025, NIST finalized guidance for trusted IoT device network-layer onboarding and lifecycle management, emphasizing scalable and automated mechanisms for establishing device trust, provisioning credentials, and maintaining secure device posture throughout the lifecycle. Consequently, rising IoT deployment and stronger U.S. focus on device-level cybersecurity are expected to accelerate demand for IoT IAM solutions during the forecast period.

Asia Pacific IoT Identity and Access Management Market Trends

The Asia Pacific region is expected to grow at the fastest CAGR during the forecast period in the IoT identity and access management market, driven by the rapid expansion of industrial IoT, smart manufacturing, 5G-connected infrastructure, and smart-city deployments across China, India, Japan, South Korea, and Southeast Asia, which is creating a rapidly expanding base of connected devices and machine identities requiring secure authentication and access control. The region's strong electronics manufacturing and telecom ecosystems are also increasing the need for device identity, certificate management, and secure supply-chain access. India's accelerating digitalization and cybersecurity investments, together with China's large-scale industrial and smart-city deployments, are further strengthening regional demand for scalable IoT IAM solutions. Consequently, the combination of rapid IoT adoption, expanding digital infrastructure, and increasing cybersecurity requirements is expected to make Asia Pacific the fastest-growing regional market.

The China IoT identity and access management market held a significant share in 2025, owing to the rapid proliferation of IoT devices across manufacturing, smart-city infrastructure, consumer electronics, and industrial environments, coupled with increasing government emphasis on cybersecurity and data protection. China's position as a major global IoT and electronics manufacturing hub is creating a large base of connected devices that require secure authentication, identity lifecycle management, and access control. In addition, the adoption of 5G, industrial IoT, edge computing, and AI-enabled connected systems is increasing the complexity of device identities and strengthening demand for IoT IAM solutions. Consequently, China's large connected-device ecosystem, industrial digitalization, and evolving cybersecurity requirements are supporting its significant position in the Asia Pacific IoT IAM market.

The IoT identity and access management market in Japan is witnessing strong expansion driven by the rapid adoption of connected devices across manufacturing, healthcare, retail, and other digitally enabled industries, coupled with increasing emphasis on IoT product security and device-level identity management. Japan's launch of the JC-STAR IoT security labeling scheme in March 2025 is strengthening focus on standardized security requirements for connected products, while government procurement requirements for labeled IoT products are encouraging manufacturers to improve security capabilities. In addition, METI released dedicated OT security guidelines for semiconductor factories in October 2025, highlighting the need to protect connected industrial control environments against increasingly sophisticated cyberattacks. Consequently, increasing IoT adoption, stronger product-security requirements, and growing protection of connected manufacturing infrastructure are expected to support demand for IoT IAM solutions in Japan.

The India IoT identity and access management marketis experiencing strong growth, driven by the rapid expansion of connected devices across smart cities, manufacturing, healthcare, energy, and digital infrastructure, creating greater demand for device authentication, access control, and identity lifecycle management. India’s increasing focus on IoT cybersecurity is further supporting adoption; CERT-In released Cyber Security Guidelines for Smart City Infrastructure in February 2025, while its broader cybersecurity initiatives emphasize the vulnerabilities associated with IoT devices and the need for stronger security controls. In addition, India's growing adoption of Zero Trust, cloud-based security, and edge-native security is encouraging organizations to strengthen identity-based controls for distributed IoT environments. Consequently, accelerating IoT deployment and increasing government and enterprise emphasis on device-level cybersecurity are expected to drive sustained demand for IoT IAM solutions in India.

Europe IoT Identity and Access Management Market Trends

The Europe IoT identity and access management industry is growing at a significant CAGR from 2026 to 2033 due to the strengthening of regulatory requirements for cybersecurity, increasing adoption of connected devices across critical sectors, and growing emphasis on secure-by-design IoT products. The EU’s NIS2 Directive expands cybersecurity risk-management requirements across sectors including energy, transport, healthcare, finance, manufacturing, and digital infrastructure, increasing the need for stronger access-control and identity-management capabilities. In addition, the Cyber Resilience Act, which entered into force in December 2024, establishes cybersecurity requirements throughout the lifecycle of products with digital elements, including connected devices. Consequently, regulatory pressure, expanding IoT deployments, and the increasing focus on device-level cybersecurity are expected to accelerate adoption of IoT IAM solutions across Europe.

The IoT identity and access management market in the UK is witnessing strong growth due to the increasing focus on securing enterprise and consumer connected devices, alongside strengthening cybersecurity regulations and greater adoption of IoT across smart infrastructure, manufacturing, healthcare, and commercial environments. The UK government has expanded its enterprise connected device security initiatives, recognizing that vulnerable connected devices can provide attackers with access to wider organizational networks, while the PSTI security regime continues to enforce baseline cybersecurity requirements for consumer connectable products. Consequently, rising regulatory emphasis on secure device authentication, identity management, and lifecycle security is expected to accelerate the adoption of IoT IAM solutions across the UK market.

Germany IoT identity and access management market held a significant market share in 2025, supported by the country’s strong industrial IoT and Industry 4.0 ecosystem, extensive deployment of connected manufacturing infrastructure, and stringent cybersecurity requirements for connected products and industrial systems. Germany’s BSI highlights identity and access management as a key mechanism for protecting IoT products against unauthorized access, while the EU Cyber Resilience Act (CRA) is strengthening requirements for secure-by-default configurations, access control, authentication, cryptography, and lifecycle vulnerability management for connected hardware and software. Consequently, Germany’s highly digitized manufacturing base and increasing emphasis on secure device identities and access controls are supporting strong adoption of IoT IAM solutions.

Key IoT Identity and Access Management Company Insights

Some of the key companies operating in the market include Amazon Web Services (AWS), Broadcom, Cisco Systems, CyberArk, DigiCert, among others. These companies are some of the leading participants in the IoT identity and access management market.

• In March 2025, CyberArk, Device Authority, and Microsoft collaborated to deliver a secure device-authentication solution for manufacturers using Device Authority KeyScaler, Microsoft Azure IoT, and Defender for IoT.

• In September 2024, CyberArk integrated with Device Authority KeyScaler to provide Enterprise IoT Access Management at scale, combining privileged access management with IoT device identity capabilities.

Key IoT Identity and Access Management Companies

The following key companies have been profiled for this study on the IoT identity and access management market.

• Amazon Web Services (AWS)

• Broadcom

• Cisco Systems

• CyberArk

• DigiCert

• Entrust

• Google

• HID Global

• IBM

• Microsoft

• Okta

• Oracle

• Thales

• Ping Identity

Competitive Benchmarking

IoT Identity and Access Management Market Report Scope

Global IoT Identity and Access Management Market Report Segmentation

This report forecasts revenue growth at global, regional, and country levels and provides an analysis of the latest trends in each of the sub-segments from 2021 to 2033. For this study, Grand View Research has segmented the IoT identity and access management market report based on component, authentication type, deployment, organization size, end user, and region.

• Component Outlook (Revenue, USD Million, 2021 - 2033)

  • Solutions

  • Services

• Authentication Type Outlook (Revenue, USD Million, 2021 - 2033)

  • Multi-factor Authentication (MFA)

  • Public Key Infrastructure (PKI) Certificates

  • Token

  • Biometric

  • Password

  • Blockchain

• Deployment Outlook (Revenue, USD Million, 2021 - 2033)

  • On-Premises

  • Cloud

• Organization Size Outlook (Revenue, USD Million, 2021 - 2033)

  • Large Enterprises

  • SMEs

• End User Outlook (Revenue, USD Million, 2021 - 2033)

  • Government & Defense

  • Energy & Utilities

  • Manufacturing

  • Healthcare

  • BFSI

  • IT & Telecom

  • Automotive & BFSI

  • Retail

  • Others

• Regional Outlook (Revenue, USD Million, 2021 - 2033)

  • North America

    • U.S.

    • Canada

    • Mexico

  • Europe

    • Germany

    • UK

    • France

  • Asia Pacific

    • China

    • India

    • Japan

    • South Korea

    • Australia

    • Southeast Asia

  • Latin America

    • Brazil

  • Middle East & Africa

    • UAE

    • Saudi Arabia

    • South Africa

Research Methodology

The IoT identity and access management market figures in this report are based on a proven research process that combines executive interviews with secondary research from proprietary databases, company filings, and recognized regulatory and institutional sources. Market size is built through value-chain sizing-reconciling supply-side and demand-side estimates-and triangulated with bottom-up and top-down approaches. Every estimate passes multiple levels of expert validation before publication, with each IoT identity and access management segment quantified using the revenue-capture definitions in the table below.

Segment Definition

Estimation Model

Delivered Customizations

This report has been delivered with the following In-depth customizations