Understanding Privileged User Management (PUM) vs. Privileged Access Management (PAM)

In today’s digital landscape, where cyber threats loom large, organizations are increasingly recognizing the critical importance of securing privileged accounts and access. Privileged User Management (PUM) and Privileged Access Management (PAM) are two methodologies designed to address this need. While often used interchangeably, they serve distinct purposes in safeguarding sensitive assets and mitigating data risks. In this article, we’ll delve into the differences between PUM and PAM, their respective functionalities, and their roles in bolstering cybersecurity.

Privileged User Management (PUM):

Privileged User Management (PUM) primarily focuses on managing the users who have elevated permissions within an organization’s network or systems. These privileged users typically include system administrators, IT personnel, and other individuals with administrative rights. The core objective of PUM is to ensure that these privileged users adhere to security protocols, access only the resources necessary for their roles, and minimize the risk of unauthorized access or misuse of privileges.

Key features of Privileged User Management include:

1. User Provisioning and Deprovisioning: PUM solutions facilitate the streamlined provisioning and deprovisioning of privileged user accounts. This involves granting appropriate permissions to users when needed and revoking access promptly upon role changes or termination.
2. Access Control and Monitoring: PUM tools enforce access controls based on the principle of least privilege, ensuring that privileged users only have access to the resources essential for their tasks. Additionally, these solutions offer robust monitoring capabilities to track user activities, detect anomalies, and generate audit trails for compliance purposes.
3. Authentication and Authorization: PUM platforms employ multifactor authentication, strong password policies, and other authentication mechanisms to verify the identities of privileged users before granting access. Authorization mechanisms further restrict access to sensitive systems or data based on predefined policies and roles.
4. Privilege Elevation and Session Management: PUM solutions enable controlled privilege elevation mechanisms, allowing users to temporarily escalate their permissions to perform specific tasks while maintaining a granular level of control. Session management features ensure that user sessions are securely recorded, monitored, and terminated to prevent unauthorized access or lateral movement by malicious actors.

Privileged Access Management (PAM):

Privileged Access Management (PAM) encompasses a broader set of capabilities aimed at securing and controlling access to privileged accounts, systems, and data across an organization’s entire IT infrastructure. Unlike PUM, which primarily focuses on managing privileged users, PAM solutions address the holistic management of privileged access, including automated workflows, session isolation, and comprehensive visibility into privileged activities.

Key features of Privileged Access Management include:

1. Credential Vaulting and Rotation: PAM solutions securely store privileged account credentials in encrypted vaults, eliminating the need for users to directly access or share passwords. These platforms automate the rotation of credentials at regular intervals, reducing the risk of credential theft or misuse.
2. Privilege Escalation and Delegation: PAM platforms facilitate controlled privilege escalation and delegation workflows, allowing users to request temporary access to elevated permissions based on predefined policies. These requests undergo approval processes and are subject to strict access controls to prevent unauthorized privilege escalation.
3. Session Recording and Forensics: PAM solutions offer robust session recording capabilities, capturing keystrokes, commands, and screen activities during privileged sessions. This audit trail enables security teams to investigate security incidents, conduct forensics analysis, and ensure compliance with regulatory requirements.
4. Just-in-Time (JIT) Privilege Access: PAM platforms leverage just-in-time access controls to provision privileged access on-demand, granting users temporary permissions for specific tasks or time-limited sessions. This minimizes the exposure of sensitive credentials and reduces the attack surface for potential adversaries.

Conclusion:

In summary, while Privileged User Management (PUM) and Privileged Access Management (PAM) share common objectives in securing privileged accounts and access, they differ in scope and functionality. PUM focuses on managing privileged users and enforcing access controls at the user level, whereas PAM encompasses a broader set of capabilities, including credential vaulting, session isolation, and just-in-time access. By implementing a comprehensive PAM solution alongside PUM practices, organizations can strengthen their cybersecurity posture, mitigate insider threats, and safeguard critical assets from unauthorized access and malicious activities.

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Sources:

Ekran: Privileged User Management vs Privileged Access Management: What’s the Difference?