Use both. Identity and access management (IAM) should govern every identity, role and authentication decision involved in recovery. Privileged access management (PAM) should add tighter controls around administrator and other high-impact accounts, including monitoring, logging and time-limited elevation. Neither control is a recovery plan by itself: you still need prioritized services, protected backups, tested restoration and exercised procedures.
IAM and PAM solve different parts of the same recovery problem
Recovery often requires unusually powerful access. Administrators may need to rebuild directory services, restore databases, change network controls or bring applications online in a prescribed order. If an attacker has stolen one of those credentials, the same access can accelerate an outage or spread ransomware.
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What IAM does
IAM is the broad control system for digital identities and access privileges. It covers employees, contractors, service accounts and other non-human identities across on-premises systems, cloud services and applications. Typical IAM functions include identity lifecycle management, authentication, role assignment, single sign-on, policy enforcement and access reviews.
For recovery, IAM answers questions such as: Which responder is allowed to reach the backup console? Which team can access a restored database? When should a departing employee or compromised account lose access? The Cybersecurity and Infrastructure Security Agency (CISA) recommends IAM systems for managing roles and privileges and applying least privilege.
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What PAM does
PAM is a specialized layer for elevated access. It controls accounts and sessions that can change security settings, operating systems, directory services, production data or recovery infrastructure. PAM can store or broker privileged credentials, require approval, issue access for a limited period, record sessions and generate alerts when activity is unusual.
CISA specifically recommends PAM for managing and monitoring privileged access, including administration of domain controllers. PAM therefore focuses less on who has an account in general and more on what happens when someone uses high-impact authority.
IAM vs. PAM at a glance
| Dimension | IAM | PAM | Recovery implication |
|---|---|---|---|
| Scope | All identities and access privileges across applications and infrastructure | Elevated accounts, credentials and privileged sessions | IAM establishes who may reach recovery resources; PAM narrows and observes high-impact actions. |
| Primary objective | Assign and govern appropriate access | Restrict, control and monitor privileged activity | Use both when a responder needs access that could materially alter a system. |
| Typical duration | Often a standing role or entitlement, subject to review | Eligible access that can be approved or issued for a task and timeframe | Keep ordinary responder access available while making dangerous elevation temporary. |
| Visibility | Identity lifecycle, authentication events, roles and entitlements | Credential use, privileged commands or sessions, approvals, logs and alerts | Correlate identity events with administrative activity during and after restoration. |
| Dependencies | Identity records, authentication factors, directories and policy engines | Privileged credentials, a management workflow, logging and administrative connectivity | Document emergency paths if a normal identity or PAM control plane is unavailable. |
Why recovery requires a deliberate access design
Recovery is not simply normal operations at a larger scale. The order of restoration matters, some usual controls may be offline, and responders may work from unfamiliar devices or locations. A sound design starts with the recovery objective rather than with a product or a particular account.
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NIST’s Guide for Cybersecurity Event Recovery (SP 800-184, published December 22, 2016) recommends identifying and prioritizing resources for recovery. Create a dependency-aware list of essential services, their data stores, identity systems, network components and management interfaces. Record which assets are critical, which can wait, and which must remain isolated until they are verified clean.
- Define the restoration order for identity, networking, storage, applications and supporting services.
- Identify the systems that can grant access to other systems, such as directory servers, cloud consoles and backup management planes.
- For each asset, name the recovery role that needs access and the minimum actions that role must perform.
2. Map people, service accounts and privileges to those assets
Build recovery-specific roles instead of giving every responder a broad administrator account. A database restoration role may need to create a database and restore a backup but not change domain policy. A network recovery role may need to modify routing or firewall rules but not read application data.
Include service accounts and automation identities. They can hold extensive privileges and may be overlooked during an emergency. Record their owners, dependencies, rotation method and the steps required if a credential is suspected of compromise.
3. Apply least privilege and separation of duties
Least privilege means each identity receives only the access needed for its assigned task. Separation of duties reduces the chance that one compromised account can approve, execute and conceal a dangerous change. For example, one person can request a privileged restoration action while another approves it, with the system retaining an audit record.
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Least privilege must be practical. A role that is too narrow can cause responders to bypass controls with shared accounts or improvised permissions. Test the role in a recovery exercise and adjust it before an incident.
Authentication controls for critical-system access
Require phishing-resistant MFA
CISA’s #StopRansomware guidance says: Implement phishing-resistant MFA for all services, particularly for email, VPNs, and accounts that access critical systems.
Phishing-resistant authentication is especially important for recovery administrators because a stolen password can otherwise become a direct path to backup, identity or production systems.
Passwordless MFA can use two or more factors such as a biometric, a device PIN or a cryptographic security key. A FIDO2 security key is one possible physical factor, but compatibility depends on the organization’s identity provider, administrators’ devices and offline procedures. Confirm support before deployment, register spare keys securely and include them in emergency-access instructions.
Do not assume every isolated recovery environment supports every passwordless method. Document which factors work when ordinary directory, mobile, network or cloud services are unavailable.
Protect the recovery identity plane
IAM is itself a critical dependency. If the identity provider, directory or federation service is compromised or unavailable, responders may be unable to reach otherwise healthy systems. Define a small set of emergency identities, protect them with strong independent authentication, restrict their use, and monitor every use. Store the recovery procedure through a channel that does not depend on the failed environment.
Use PAM to control elevated actions
Inventory privileged accounts
Start with domain administrators, cloud account owners, root or local administrators, backup operators, database administrators, network-device accounts, hypervisor administrators and accounts that can change IAM policy. Include embedded credentials, API keys and service principals where they can perform equivalent actions.
For each entry, record its owner, systems reached, authentication method, credential location, rotation process and business purpose. Remove dormant or duplicate accounts. Shared administrator accounts should be replaced where possible; if one must remain for technical reasons, place it behind a controlled workflow with individual attribution.
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Make elevation just in time
Just-in-time (JIT) access grants an administrator the privilege required for a specified task and period, then removes or expires it. CISA’s Play ransomware advisory, published December 18, 2023, describes the method as one that “provisions privileged access when needed.”
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A useful JIT request records the requester, target system, reason, approved task, start time, expiry time and approving person or policy. Set the expiry short enough to limit exposure but long enough to complete the documented action. Require a new request when the task changes rather than allowing an open-ended administrator session.
Monitor and record privileged sessions
PAM should provide visibility as well as restriction. Record authentication, approvals, commands or session activity where technically feasible, and send logs to a protected monitoring system. Alert on unusual locations, times, targets, failed elevation attempts, bulk changes, disabled logging or access to systems outside the recovery plan.
Logging is useful only if someone can review it. Assign an incident or recovery role to watch alerts during restoration, preserve the records for investigation and compare actual actions with the approved runbook.
A recovery access workflow that combines IAM and PAM
- Declare the recovery scope. Identify the incident, affected environments, essential services and the current restoration phase.
- Verify the responder. Authenticate the person through the approved phishing-resistant method and confirm the recovery role assigned to that person.
- Grant ordinary access through IAM. Use the least-privileged role needed to reach approved systems, documentation and recovery consoles.
- Request elevation for a specific action. State the target, purpose, required privilege and expected duration. Obtain the required approval or policy decision.
- Broker the privileged session through PAM. Do not expose a standing administrator password when a controlled session or temporary credential is available.
- Execute and document the change. Follow the recovery runbook, record deviations and avoid unrelated maintenance while systems are being stabilized.
- Expire or revoke elevation. End the session, remove temporary membership and rotate credentials if exposure is suspected.
- Review evidence. Reconcile IAM events, PAM records, system logs and restoration results; investigate unexplained activity before moving to the next phase.
Backups and testing remain separate controls
IAM and PAM can prevent unauthorized recovery actions, but they cannot create a usable backup or prove that a restoration will work. CISA and NIST ransomware guidance call for protected backups and tested restoration. Keep backup copies isolated from ordinary administrative credentials and production networks where practical, protect deletion and modification operations, and monitor access to the backup system itself.
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Run exercises that include identity failure, lost administrator devices, unavailable cloud services and suspected credential compromise. NIST recommends improving recovery plans through exercises and lessons learned. A test should measure whether responders can authenticate, obtain the exact privileges they need, restore data in the documented order and revoke access afterward.
When IAM alone is insufficient—and when PAM is not enough
| Situation | Control emphasis | Reason |
|---|---|---|
| Routine employee or contractor access to recovery documentation | IAM | Role assignment, authentication and lifecycle controls are the primary need. |
| Administrator access to directory controllers, hypervisors, backup consoles or production databases | IAM plus PAM | The identity must be authorized, while the high-impact session needs additional restriction and observation. |
| Automated restoration jobs | IAM, PAM-style credential control and service-account governance | Non-human identities require least privilege, ownership, rotation and monitored use. |
| Identity provider or PAM platform unavailable | Preplanned emergency access and recovery procedures | A control that depends on the failed environment cannot be the only route to restoration. |
| Unverified or corrupted backups | Backup integrity and restoration testing | Access controls do not make unusable data recoverable. |
Common implementation failures and fixes
Every responder receives permanent administrator rights
Why it fails: A stolen responder credential can reach unrelated systems, and investigators cannot distinguish necessary work from abuse.
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Fix: Create recovery roles, use JIT elevation for exceptional actions and review the role during an exercise.
MFA protects normal users but not emergency accounts
Why it fails: Attackers target the accounts that can disable security controls or alter backups.
Fix: Apply phishing-resistant MFA to critical-system accounts, secure spare factors and test the emergency procedure without relying on a single administrator’s device.
PAM is installed but sessions are not reviewed
Why it fails: Recording without alert ownership or review provides little operational detection.
Fix: Define alert thresholds, assign reviewers during recovery, protect logs from alteration and connect findings to the incident process.
Recovery depends on the same control plane as production
Why it fails: A compromised directory, federation service or network can block the people trying to repair it.
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Fix: Exercise the complete sequence, capture failures, update the runbook and repeat after significant identity or infrastructure changes.
Implementation checklist
- Prioritized inventory of critical services, dependencies and restoration order.
- Named recovery roles mapped to the minimum required systems and actions.
- Current inventory of privileged human and non-human identities.
- Phishing-resistant MFA for accounts that access critical systems.
- JIT or equivalent time-bounded elevation for high-impact tasks where supported.
- Approval, session monitoring, logging and alert review for privileged activity.
- Independent emergency-access procedures for identity or PAM outages.
- Isolated, protected backups and controls against unauthorized deletion or alteration.
- Documented restoration tests with lessons incorporated into the plan.
- Post-recovery review of access grants, privileged sessions, credential rotation and outstanding exceptions.
Bottom line: use IAM as the foundation and PAM for high-impact control
IAM determines which identities can participate in recovery and what each role may reach. PAM adds the safeguards needed when an identity performs an action capable of changing critical infrastructure: temporary elevation, approval, session visibility, logging and alerting. Design both around prioritized assets, phishing-resistant authentication and tested emergency paths, then protect and exercise the backups and restoration process that IAM and PAM cannot replace.
FAQ
Should service accounts be included in PAM?
Include any service account, API key or service principal that can perform privileged actions or reach critical recovery systems. Give it an owner, a documented purpose, minimum permissions, a rotation method and monitoring equivalent to its risk. The exact technical mechanism depends on the platform.
How often should recovery access be tested?
Test whenever major identity, infrastructure or backup changes could affect restoration, and include it in the organization’s regular recovery exercises. The useful measure is not a calendar interval alone: the exercise should prove that responders can authenticate, obtain approved privileges, restore in order and revoke access.
What should happen to privileged access after recovery?
End temporary sessions, remove emergency role assignments, rotate credentials that may have been exposed, preserve logs and review every exception. Return to normal IAM and PAM policies only after the incident team confirms that systems and identities are trusted.
Frequently Asked Questions
Should service accounts be included in PAM?
Include service accounts, API keys and service principals that can perform privileged actions or reach critical recovery systems. Assign ownership, least privilege, rotation and monitoring.
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How often should recovery access be tested?
Test after major identity, infrastructure or backup changes and during regular recovery exercises. Verify authentication, privilege grants, restoration order and revocation.
What should happen to privileged access after recovery?
End temporary sessions, remove emergency assignments, rotate potentially exposed credentials, preserve logs and review exceptions before returning to normal policy.
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