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Identity and Access Management in IoT Devices

IoT devices, often known as “things,” are internet-connected gadgets that can gather, transmit, and receive data. Simple sensors to complicated systems such as smart homes, industrial control systems, and medical equipment are among them. IoT devices are employed in a wide range of industries, including healthcare, manufacturing, transportation, and smart cities. As the number of IoT devices grows, so does the need for strong security measures to keep them safe from cyber threats.

Identity and access management (IAM) is a vital component of IoT security because it guarantees that sensitive information and resources are only accessible to authorized users and devices. We will look at the core ideas and best practices of IAM in IoT devices in this blog article.

Why is IAM required in IOT?

IAM in IoT devices refers to the process of identifying, authenticating, and providing access to resources based on the device’s or user’s identification.

Identifying the device or user is the initial stage in IAM. This is usually accomplished by the use of a unique identification, such as a device serial number or a username. After identifying the device or user, the following step is to authenticate them. Authentication is the process of confirming a device’s or user’s identification by requesting credentials such as a password or a digital certificate.

Granting access to resources comes next once the device or user has been authenticated. This is accomplished through access control policies, which outline the resources that a device or user is permitted to access as well as the operations they are permitted to carry out. Access control rules may be dependent on a number of variables, including the device or user’s role, location, and time of access.

How can IAM help secure IOT?

To secure IoT devices, it’s important to implement robust IAM practices. Here are some best practices to consider:

  • Utilize strong authentication techniques: To verify the identity of the device or user, IoT devices should use strong authentication methods such as digital certificates or biometrics.
  • Implement access control rules: Access control policies should be developed to limit access to sensitive information and resources depending on the role, location, and time of access of the device or user.
  • Keep software and firmware up to date: It is critical to keep software and firmware up to date in order to safeguard IoT devices against known vulnerabilities.
  • Monitor and log access: In order to detect and respond to suspicious activity, it is critical to monitor and log access to IoT devices and resources.
  • Users should be educated on the relevance of IAM as well as the need of keeping their devices and credentials safe.

Leaders in IOT IAM

The leaders in Identity and Access Management (IAM) solutions that are specifically designed for Internet of Things (IoT) devices are as follows:

  • Entrust Datacard: Entrust IoT Security offers a complete set of solutions for managing and safeguarding the identities of IoT devices, users, and apps and was especially created to meet the specific security requirements of IoT devices.
    It provides authentication, encryption, data protection, device authentication, and identity protection, allowing enterprises to reliably safeguard their connected systems, data, and networks.
  • Digicert: DigiCert IoT Device Manager is a complete platform for managing and protecting IoT devices. It provides comprehensive device certificate lifecycle management, provisioning, tracking, and updates to enable any IoT deployment.
    • The platform is designed to expand on the emerging IoT landscape, making it simple to manage any linked devices regardless of build
    • Furthermore, it connects with DigiCert’s certificate lifecycle management system, providing TLS and other digital certificates for large-scale PKI installations.
  • Device Authority: Device Authority is a comprehensive IoT cybersecurity platform that aids in the protection of connected devices against costly security breaches. It protects devices, data, and operations while also providing automated password and certificate management, secure updates, and Hardware Security Modules (HSM) access controller security. Device Authority is a worldwide leader in Identity and Access Management (IAM) for the Internet of Things (IoT) and Blockchain, with a focus on medical/healthcare. 

Benefits of having IAM solution for IoT devices

There are various advantages of having an Identity and Access Management (IAM) solution for IoT devices: 

  • Security: By offering robust device authentication and access control methods, an IAM solution assists in lowering security risks like hacking and data theft. This can help in the protection of sensitive data as well as the prevention of illegal access to IoT devices.
  • Compliance: Many organizations are governed by strict data privacy and security regulations. A secure IAM solution can help in meeting these standards and ensuring compliance of their IoT devices.
  • Increased efficiency: By offering centralized control for access and identity management, a secure IAM solution may simplify the administration of IoT devices. This can assist enterprises in lowering administrative costs and increasing the efficiency of their IoT implementation.
  • Improved collaboration: With a secure IAM solution, many stakeholders may access IoT devices and resources while keeping control over who has access to what. This can increase teamwork and make companies more efficient.
  • Improved scalability: As IoT installations expand, having a secure and scalable IAM solution in place becomes increasingly vital. A secure IAM solution can provide the scalability required to handle large numbers of IoT devices and users while also ensuring that the solution can grow in tandem with the deployment.


Although there are some IAM products available in the market for IoT devices, there are some constraints that must be addressed. One of the most challenging difficulties is the lack of standardization among IoT platforms, which makes developing a single IAM solution that works smoothly with diverse devices and systems difficult.

Furthermore, the majority of IAM solutions on the market are developed for traditional IT systems and are not as par to particular requirements of IoT devices, which may have limited processing power, memory, and connectivity. As IoT use grows, so does the demand for IAM solutions that can offer effective security, privacy, and compliance for IoT devices while also being scalable and easy to operate.

IAM is a critical component of IoT security. It makes sure that only approved devices and persons are able to access information. Businesses can defend their IoT devices from cyberattacks and guarantee the security of their data and resources by establishing strong IAM standards.