Why do ransomware payment restrictions increase the importance of IAM and PAM?

Why This Matters for Security Teams

Ransomware payment restrictions change the economics of an incident, but they do not change the attacker playbook. If payment is harder or slower, the intruder has more incentive to maximise leverage before detection by abusing valid access, especially admin accounts, service accounts, and cloud control-plane privileges. That is why IAM and PAM move from being “hardening” controls to incident-limiting controls.

Current guidance suggests the most damaging ransomware events are often preceded by credential theft, token misuse, or privilege escalation rather than a single malware launch. NHI Management Group’s Ultimate Guide to NHIs — Why NHI Security Matters Now notes that 97% of NHIs carry excessive privileges, which helps explain why broad standing access becomes a liability during a ransomware operation. NIST’s NIST SP 800-53 Rev 5 Security and Privacy Controls reinforces least privilege and access enforcement as core safeguards, not optional tuning.

In practice, many security teams encounter the real blast radius only after backup systems, identity platforms, or hypervisor consoles have already been touched, rather than through intentional containment testing.

How It Works in Practice

When ransomware payment is constrained, defenders should assume the attacker will spend more effort on persistence, privilege, and data theft. That makes IAM the control that narrows where a compromised identity can go, and PAM the control that limits what elevated access can do and for how long. The operational goal is to remove standing privilege, reduce reusable secrets, and make privileged access time-bound and attributable.

For non-human identities, best practice is evolving toward short-lived workload credentials, just-in-time elevation, and policy decisions made at request time rather than by static group membership. That means a service account used for backup orchestration should not also have broad storage deletion rights, and an admin should not remain continuously eligible for domain controller access. The same principle applies to human responders: break-glass access should be rare, logged, and re-approved, not pre-positioned for convenience.

• Use least privilege to separate backup, security tooling, directory services, and cloud administration.
• Issue JIT access for privileged tasks and revoke it automatically when the task ends.
• Prefer short-lived secrets and workload identities over long-lived API keys or shared passwords.
• Monitor for privilege escalation paths, especially from endpoint admin to identity or cloud admin.
• Test whether security tooling can still operate if the primary directory or vault is partially compromised.

The attack pattern seen in the MGM Resorts Breach 2023 — Scattered Spider and the Cisco Active Directory credentials breach shows why identity compromise often comes before encryption: once the attacker has valid access, ransomware becomes an execution step, not the initial breach. ENISA’s ENISA Threat Landscape is consistent with this trend, emphasising credential abuse and lateral movement as recurring patterns. These controls tend to break down in hybrid environments with legacy service accounts and shared vault access because privilege maps are incomplete and revocation is too slow.

Common Variations and Edge Cases

Tighter IAM and PAM often increases operational overhead, requiring organisations to balance containment against response speed. That tradeoff matters during ransomware because responders still need rapid access to restore services, investigate impact, and rotate secrets.

There is no universal standard for this yet, but current guidance suggests three common edge cases deserve special handling. First, emergency access should be pre-designed as a time-boxed process with clear approvals, because ad hoc exceptions often become permanent privilege. Second, third-party administrators and managed service accounts need the same rigor as internal users, since ransomware actors frequently pivot through supplier trust. Third, cloud and identity-plane roles need extra scrutiny because control over IAM can be more damaging than access to a single server.

NHI Management Group’s research shows how often this fails in practice: the 2024 Non-Human Identity Security Report found that 88.5% of organisations say non-human IAM lags behind or merely matches human IAM. That gap becomes dangerous when payment restrictions remove the “exit ramp” for attackers and force them to extract maximum leverage from whatever access they already have. These controls are most likely to fail in organisations that still rely on shared admin credentials, weak vault hygiene, and manual revocation across multiple cloud and identity systems.

Related resources from NHI Mgmt Group

• Why do breach cases still matter for IAM and PAM teams?
• Why do AI-assisted attacks increase the importance of privileged access governance?
• How do overprivileged NHIs increase breach impact in cloud environments?
• What is LLMjacking in an IAM context?