Network security

First Zero Trust step: identity & access management (IAM)


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Summary: The Zero Trust boosts cybersecurity by removing implicit trust. IAM strengthens access controls, supports compliance, and reduces insider threats, improving efficiency.

As companies juggle remote work and personal devices, they face more and more security risks. That’s why a modern approach to network security is essential.

Zero Trust is an approach that eliminates automatic trust in all connections, whether inside or outside the organization's network. Every user and device must be verified before access is granted.

This article will discuss the importance of identity and access management (IAM) in a Zero Trust model. Zero Trust erases assumptions of trust, and IAM ensures only the right individuals can access specific resources. It's a natural synergy, making compliance easier, reducing insider threats, and improving organizational efficiency. Here's how it strengthens your organization’s security.

Understanding Zero Trust security

Zero Trust has gained traction over the past couple of years as a countermeasure against increasing cyber-attacks and data breaches. Zero Trust architecture is designed to provide access to resources, data, and systems after passing strict identity verification.

This significantly differs from the traditional network security setup, which followed the "trust but verify" mantra. Connections coming from internal networks were seen as more trustworthy than those coming in from the outside. However, this model has largely become obsolete due to these factors:

  • Modern infrastructures interconnect with cloud services, IoT devices, and mobile environments eroding the boundaries of a traditional perimeter.
  • Cloud infrastructure is located beyond the traditional enterprise perimeter. It’s frequently a much cheaper method of handling IT operations.
  • The pandemic has contributed to the acceleration of distributed work environments changing organizational IT requirements.

As networks become increasingly complex, identity and access management replaces perimeter security. In tandem with a clear and comprehensive security policy, IAM is the backbone of cybersecurity strategy.

Successful Zero Trust deployment relies on the organization's ability to identify and categorize the used assets, resources, and data, establishing a clear and comprehensive security policy. Afterward, it can be used as a reference for network segmentation and other actions.

How does IAM fit in the Zero Trust framework?

Identity and access management (IAM) is an essential component of a Zero Trust model, especially for enterprise IAM solutions. By enabling the right individuals to access the right resources at the right time while preventing unauthorized access, identity & access management is one of Zero Trust's cornerstones. Network access solutions assist network administrators in managing network access control to resources, cloud security, and remote assets.

A holistic Zero Trust strategy should consider factors like the session's context, the workforce identity, the device's state, and the accessed data's sensitivity. This is where IAM comes in, requiring additional authentication prompts or limiting available functionalities. This model protects against external threats and untrusted user actions and ensures employees use organizational resources responsibly.

Single sign-on and other methods help automate identity and access management by adding extra layers of security. However, users still have to verify themselves when accessing different network areas. This ensures strong identity checks and access controls before reaching any network resources.

Components of Zero Trust IAM

Zero Trust Identity and Access Management (IAM) is a key strategy to enhance security by enforcing strict verification of users, devices, and applications. It eliminates implicit trust, ensuring verification before granting access to any resources. Let’s examine the most critical components of Zero Trust IAM.

User authentication and authorization

This core component of Zero Trust IAM ensures that only authorized individuals can access sensitive data and resources. It consists of a multi-layered approach that includes:

  • Multi-factor authentication (MFA) requires users to verify their identity through multiple methods, such as passwords, security tokens, or biometric data (like fingerprints or facial recognition). This makes unauthorized access far more difficult.
  • Biometric Authentication further enhances security by using unique biological markers, such as facial recognition, fingerprints, or iris scans, to identify users and ensure that only authorized ones gain access.
  • Device trustworthiness checks evaluate the integrity of devices connecting to the network. This includes examining the security status of devices, ensuring they have updated patches, encryption, and malware protection, and reducing the risk of unauthorized access.

Network access control and data segmentation

By employing stringent access controls, organizations can closely monitor every device that tries to connect, limiting unauthorized access and preventing potential breaches. Moreover, methods like application and micro-segmentation divide the network into isolated segments, ensuring that if one part of the network is compromised, the damage remains contained.

Data segmentation, reinforced by encryption, protects sensitive information, ensuring that confidential data remains private and fostering trust and compliance within the organization.

Continuous Monitoring and Behavioral Analytics

This component is critical to identifying and mitigating threats in real time. User and entity behavior analytics (UEBA) tracks normal and abnormal behavior, flagging suspicious activities before they become serious threats. Additionally, machine learning algorithms detect deviations from standard patterns, providing instant alerts to security teams. This is complemented by real-time monitoring tools that scan for anomalies across the network, helping prevent attacks before they escalate.

By integrating these core components, organizations can create a robust Zero Trust IAM framework, ensuring secure and controlled access to resources.

Importance of identity and access management

The importance of IAM is highlighted by the fact that weak workforce security is one of the most significant factors in data breaches. Hackers target employees, exploiting them as the weak link to access sensitive data and systems. Therefore, identity and access management plays a crucial role in an organization's cybersecurity strategy.

Securing sensitive data

IAM can be a significant contributor when protecting sensitive data. As cyber threats aren't subsiding, it's the business's responsibility to ensure that only authorized individuals have access to sensitive information. Data breaches involving financial reports, customer data, and trade secrets can easily ruin a company's reputation overnight.

Therefore, securing sensitive business information is essential to maintain the company's reputation and ensure business continuity. IAM allows businesses to control who can access their data and applications, ensuring that sensitive information is accessible only to authorized individuals.

Compliance made easier

Many industries are subject to various legal requirements set forth by government bodies such as HIPAA, ISO/IEC 27001, and PCI DSS. Failure to comply with those regulations can result in penalties, fines, legal disputes, and reputational damage. For this reason, business technical capabilities to secure the data directly correlate with its ability to stay compliant.

These regulations require businesses to have controls for protecting sensitive data, which is where the least privilege access control comes in. IAM helps align with regulatory compliance by providing strong access controls and monitoring. This approach supports overall business security and proves compliance during audits.

Reduced risk of insider threats

Insider threats pose a significant risk to businesses. Due to elevated privileges, insiders already have access to sensitive information, making it easier to steal or misuse. In addition, insiders are much harder to control and pinpoint hackers outside the organization's network.

Proactive measures must be taken to secure against insider threats, and IAM allows businesses to monitor access to sensitive data. This helps reduce the risks, likelihood, and impact of insider threats and protects sensitive information and assets.

Improved operational efficiency

IAM can help organizations streamline their access management process. This can reduce the time and effort required to manage user access. In large corporations, this can be a real lifesaver.

In addition, by automating access management tasks like user provisioning and de-provisioning, IAM reduces the workload on IT staff. It can save valuable time and allow the staff to focus on more critical tasks elsewhere.

First steps to enable a Zero Trust model

As businesses become more dependent on digital systems and data, the importance of Zero Trust only grows. This leads many businesses to implement an IAM system in their organization. The following steps can set you on the right track if you don't know where to start.

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Step #1 Identify and categorize all assets with Zero Trust identity

The first step in enabling the Zero Trust model is identifying and categorizing all organization's assets, resources, and data. Each of them should be assigned a value and risk rating, depending on how critical the organization's operations are and how much damage could be done if they leak in the open. This will help in later steps when prioritizing security measures and developing a security policy.

Step #2 Establish a comprehensive security policy

Comprehensive security defines processes for access control, cloud, and data security. Clear guidelines ensure everyone understands their role in maintaining security. You can, for example, make your employees use multifactor authentication to enhance security.

Step #3 Implement identity and access management (IAM)

No Zero Trust model is complete without IAM, as it enables organizations to establish access controls. Implementing IAM solutions should be designed to verify the identity of users. It's also good advice to implement multi-factor authentication and enable single sign-on to improve security.

Step #4 Perform ongoing monitoring and improvements

Regular reviews of security policies and IAM systems are essential to ensure your organization remains secure in the face of ever-evolving threats. Ongoing monitoring of IAM systems and Zero Trust models can help organizations comply with various regulations.

How can NordLayer help?

In many cases, it can be too big of a burden for a company to transition to the Zero Trust framework independently. Trustworthy partners can make this journey easier by ensuring secure access to sensitive resources and data. NordLayer can be a huge help, leveraging its cybersecurity features and services suite.

As the Zero Trust security model requires identifying all users, devices, applications, and network resources, NordLayer can provide secure access to SaaS applications anywhere while segmenting network resource access. Zero Trust security posture can be further strengthened by providing additional layers of security to protect user internet access.

Together, NordLayer's combined features can enforce security through user endpoints and help protect against online risks. This can be achieved with minimal impact on employee productivity and contribute towards a full Zero Trust security model transition.

Contact NordLayer and facilitate your transition into the Zero Trust security model and implement core IAM functionalities.


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