Identity security terms confuse many organisations. PAM vs PIM vs IAM are distinct but interconnected disciplines. Understanding each is critical for CISOs designing zero-trust architecture. This guide breaks down PAM, PIM, and IAM, explains convergence, and shows why unified platforms like SecurePass matter.
What is IAM (Identity and Access Management)?
IAM is the broadest discipline: a framework for managing user identities and access control. IAM includes:
- User provisioning and de-provisioning
- Authentication (MFA, biometrics)
- Authorisation and permissions
- Access governance and audit
IAM applies to all users and resources, forming the foundation of identity security.
What is PIM (Privileged Identity Management)?
PIM is a specialised IAM subset protecting privileged accounts. Privileged users (admins, DBAs, engineers) have elevated permissions that create outsized risk. PIM protects through:
- Discovering and inventorying privileged accounts
- Enforcing MFA for privileged access
- Auto-rotating credentials on schedule
- Managing just-in-time access requests
- Auditing privileged actions in detail
NIST, ISO 27001, and SOC 2 require rigorous PIM controls for regulatory compliance.
What is PAM (Privileged Access Management)?
PAM controls and monitors privileged access in real-time. It's the session layer that verifies not just who you are (PIM) but what you do. PAM includes:
- Session recording and keystroke logging
- Just-in-time access provisioning
- Real-time monitoring and anomaly detection
- Auto-termination on suspicious behaviour
- Audit trails and forensic playback
PAM is essential for incident response, forensics, and audit compliance.
How PAM vs PIM vs IAM Work Together
These three are layers, not alternatives. In a mature security architecture:
- IAM is the foundation—managing all identities and access
- PIM sits on top—applying rules to privileged accounts
- PAM wraps sessions—recording and controlling privileged actions
Users authenticate via IAM, request privileged access via PIM, then sessions are governed by PAM—the zero-trust model NIST demands.
SecurePass by eMudhra: Converged IAM + MFA + PIM + PAM
Building a fragmented stack of separate IAM, PIM, and PAM tools creates integration headaches, blind spots, and audit nightmares. SecurePass unifies all four disciplines in one platform:
- IAM: SSO, SAML, OAuth 2.0, OIDC
- MFA: TOTP, FIDO2, push, SMS
- PIM: Account discovery, credential lifecycle, workflows
- PAM: Session control, recording, anomaly detection
Convergence eliminates gaps, simplifies compliance, and reduces cost. For enterprises managing PAM vs PIM vs IAM across NIST, GDPR, SOC 2, or regional rules, unified platforms are essential.
Why PAM vs PIM vs IAM Matters Now
Breach data shows 60–80% of attacks exploit compromised privileged credentials. Regulators now mandate PAM and PIM controls. Zero-trust architecture requires verifying every access request and observing privileged sessions.
Ready to unify PAM vs PIM vs IAM in one platform?
Contact eMudhra today for an identity security assessment.