IAM vs PAM: What’s the Difference and Why Your Organization Needs Both

Identity and access management is one of the foundations of modern cybersecurity. However, many professionals use IAM and PAM interchangeably, even though they solve different security challenges.

While both are focused on controlling access, they operate at different levels of risk.

What is IAM?

Identity and Access Management (IAM) manages digital identities and access across the organization.

IAM ensures the right users have access to the right resources based on their role, department, and business requirements.

Typical IAM capabilities include:

  • User identity management
  • Authentication and Multi-Factor Authentication (MFA)
  • Single Sign-On (SSO)
  • Role-Based Access Control (RBAC)
  • User provisioning and deprovisioning
  • Access policies and governance

IAM Answers Questions Like:

  • Who is this user?
  • What applications should they access?
  • What permissions should they have?
  • Have they been granted appropriate access based on their role?

What is PAM?

Privileged Access Management (PAM) focuses on securing the organization’s most powerful accounts.

These accounts often have elevated permissions that can modify systems, access sensitive information, disable security controls, or impact critical business operations.

Typical PAM capabilities include:

  • Privileged credential vaulting
  • Session monitoring and recording
  • Just-In-Time (JIT) access
  • Privileged account approval workflows
  • Password rotation
  • Activity auditing and reporting

PAM Answers Questions Like:

  • Who can access critical systems with administrator rights?
  • How is privileged access approved and monitored?
  • Are privileged sessions recorded and audited?
  • How can we reduce standing privileges and credential abuse?

The Key Difference

The simplest way to understand the relationship is:

IAM manages general access

PAM controls elevated access

IAM is responsible for managing the identities of all users across the organization, while PAM adds additional safeguards for users and accounts that present a higher security risk.


Why Does This Matter?

Not every account presents the same level of risk.

A standard employee account may expose:

  • Email
  • Documents
  • Collaboration tools
  • Limited business data

A privileged account could potentially:

  • Reconfigure infrastructure
  • Disable security controls
  • Access critical systems
  • Create new administrator accounts
  • Gain access to entire environments

This increased level of risk is commonly referred to as a larger blast radius.

The more privileges an account has, the greater the potential impact if those credentials are compromised.


IAM and PAM in a Microsoft Environment

IAM Solutions

  • Microsoft Entra ID
  • Conditional Access
  • Single Sign-On (SSO)
  • Multi-Factor Authentication (MFA)
  • Identity Governance
  • Access Reviews

PAM Solutions

  • Microsoft Entra Privileged Identity Management (PIM)
  • Privileged Access Groups
  • Just-In-Time Administration
  • Azure Key Vault
  • Approval Workflows
  • Session Auditing

Real-World Example

When a new employee joins the organization:

IAM Responsibilities

  • Create the user account
  • Assign Microsoft 365 licenses
  • Add users to appropriate groups
  • Enable MFA
  • Grant application access

PAM Responsibilities

  • Control access to administrator accounts
  • Require approval for elevated privileges
  • Provide temporary privileged access
  • Record privileged sessions
  • Rotate privileged credentials

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