TL;DR: Identity security sits at the center of modern cybersecurity because it determines who and what can access resources, under what conditions, and with what accountability, according to CyberArk. In NHIMG terms, that makes identity governance the control layer that limits blast radius when human and non-human identities multiply faster than teams can manage them.
At a glance
What this is: This is a CyberArk analysis arguing that identity security is the foundation of cybersecurity because access, visibility, governance, and compliance all depend on it.
Why it matters: It matters to IAM and NHI practitioners because the same identity controls that govern employees now have to scale to service accounts, applications, devices, and autonomous agents.
By the numbers:
- Only 5.7% of organisations have full visibility into their service accounts.
- NHIs outnumber human identities by 25x to 50x in modern enterprises.
- 96% of organisations store secrets outside of secrets managers in vulnerable locations including code, config files, and CI/CD tools.
👉 Read CyberArk's analysis of why identity security underpins cybersecurity strategy
Context
Identity security is the discipline of controlling who or what can access systems, data, and services, and proving that access was appropriate. That definition now has to extend beyond human users to service accounts, API keys, certificates, workloads, bots, and AI agents. When identity becomes the trust layer for everything else, weak lifecycle controls, poor visibility, and excessive privilege turn into enterprise-wide governance failures rather than isolated account issues.
CyberArk frames identity security as the basis for a security-first strategy, with visibility, governance, and compliance tied directly to access control. That aligns with NHIMG's view that IAM programs now have to account for Non-Human Identity sprawl, not just employee access. The article's starting point is typical for vendor commentary: it correctly identifies identity as central, but it stays at the strategic layer and does not address the operational debt created by machine identities.
Key questions
Q: How should organisations govern non-human identities alongside employee access?
A: Treat non-human identities as a separate governance population with owners, expiry rules, and review cycles. Apply the same least-privilege principles used for people, but automate discovery, rotation, and revocation because machine identities change faster and are often embedded in code, pipelines, and services.
Q: What is the difference between identity security and access management?
A: Access management focuses on granting and verifying access at a point in time. Identity security is broader because it also covers visibility, lifecycle management, privilege reduction, monitoring, and compliance across all identities, including service accounts, tokens, certificates, and AI agents.
Q: Why do non-human identities create more risk than many organisations expect?
A: They often outnumber human users, persist longer than the workloads they support, and accumulate privileges through automation. That combination increases blast radius, makes revocation slower, and lets attackers hide inside legitimate access paths if a token or account is compromised.
Q: When should teams prioritise zero standing privilege for machine identities?
A: Prioritise zero standing privilege when a credential can reach production systems, cloud control planes, or sensitive data stores. If the identity exists primarily to support automation, it should receive only the access needed for the task and lose it immediately after use.
Technical breakdown
Identity-first security architecture and control boundaries
Identity-first security means access decisions are made from identity context, not just network location or device posture. In practice, that requires linking authentication, authorisation, auditing, and policy enforcement into a single control boundary. For NHI environments, the challenge is that many identities do not behave like humans. Service accounts and agents may authenticate automatically, operate continuously, and inherit privileges through pipelines or orchestration layers. If teams do not map those identity relationships, they cannot reliably answer who can act, when access expires, or which workload actually performed an action.
Practical implication: Map every human and non-human identity to an owner, purpose, and access boundary before expanding automated access.
Why lifecycle management is the weak point in NHI governance
Lifecycle management covers creation, provisioning, rotation, review, and de-provisioning. That is straightforward for people and much harder for machine identities, which often outlive the workloads that created them. Secrets can persist in code, CI/CD tools, or configuration stores long after the original use case changed. That is why identity security cannot stop at authentication. It has to include expiry logic, revocation workflows, and offboarding processes that are tied to system events, not just employment status. Without that, dormant credentials become standing access.
Practical implication: Tie credential review and revocation to workload change events, not only to periodic access reviews.
Visibility and privilege are the real control problems
Identity security fails when organisations cannot see what identities exist or what privileges they hold. Visibility is the prerequisite for governance, because you cannot enforce least privilege against unknown accounts or audit access that is hidden inside tooling. Privilege is the second problem: even visible identities may hold rights far beyond operational need. In NHI estates, this is common because automation teams grant broad access to avoid breaking pipelines. That creates identity blast radius, where one compromised token or certificate can expose multiple systems, environments, or data flows.
Practical implication: Use continuous discovery and privilege right-sizing to reduce blast radius before layering more policy controls.
Threat narrative
Attacker objective: The attacker aims to turn trusted identity access into durable control over systems and data while blending in with normal activity.
- Entry occurs when excessive or poorly governed identity privileges let an attacker abuse a valid account, token, or service credential.
- Escalation follows when the compromised identity has broad access across applications, data stores, or administrative workflows.
- Impact occurs when the attacker uses legitimate identity paths to steal data, alter systems, or sabotage operations without triggering obvious perimeter alerts.
Breaches seen in the wild
- Moltbook AI agent keys breach — Moltbook breach exposed 1.5M AI agent keys.
- Sisense breach — unauthorized GitLab access led to exfiltration of access tokens, API keys and certificates.
Read our 52 NHI Breaches Analysis report for a comprehensive view of breaches impacting Non-Human Identities including AI Agents.
NHI Mgmt Group analysis
Identity security is now the operating system of cybersecurity, not a supporting control. Once access, auditability, and compliance all depend on identity, every other control inherits the quality of that identity layer. That includes human access, but it increasingly includes service accounts, tokens, certificates, and AI agents. The practical conclusion is simple: if identity governance is weak, the rest of the stack cannot compensate.
Machine identities create a governance gap that most IAM programs still underestimate. The article correctly links identity to business risk, but its framing stops short of the scale problem created by NHI growth. Machine identities are often more numerous, more persistent, and less visible than human users. Practitioners should treat NHI governance as a distinct control domain, not as an extension of employee IAM.
Identity blast radius is the right concept for prioritising remediation. A single over-privileged account is not just a policy violation, it is a multiplier for lateral movement and data exposure. Teams should rank identities by reachable systems, standing privilege, and credential persistence. The governance objective is to shrink the consequences of compromise before chasing perfect visibility.
Security-first identity only works when lifecycle, privilege, and monitoring are coupled. Many programmes still treat these as separate workstreams, which leaves gaps between onboarding, access approval, and offboarding. NHIs expose those gaps faster than humans do because they are embedded in pipelines and applications. The field should move toward continuous identity governance, where access is reviewed as part of system operations.
Identity metrics should shift from counts to control quality. Reporting how many identities exist matters less than knowing how many are discoverable, owned, rotated, and least-privileged. That is a more useful standard for board and audit conversations because it ties identity work to attack surface reduction. The practitioner takeaway is to measure governance depth, not just inventory size.
From our research:
- Only 5.7% of organisations have full visibility into their service accounts, according to Ultimate Guide to NHIs.
- 96% of organisations store secrets outside of secrets managers in vulnerable locations including code, config files, and CI/CD tools, according to Ultimate Guide to NHIs.
- If you are formalising lifecycle controls, review Ultimate Guide to NHIs , Key Challenges and Risks for the visibility and over-privilege patterns that drive identity exposure.
What this signals
Identity-first programmes are moving from policy design to control verification. For most enterprises, the next maturity step is not another policy document. It is proving that every identity can be discovered, owned, rotated, and audited in the same workflow. That shift matters because identity risk is now created as much by unmanaged machine access as by user misconfiguration.
Ephemeral access only reduces risk when the surrounding governance is continuous. Temporary credentials still fail if revocation is slow, ownership is unclear, or logging cannot tie an action back to the right workload. Teams should expect more scrutiny of how privilege is granted and retired across automation layers, especially where service accounts touch production.
With 97% of NHIs carrying excessive privileges, according to Ultimate Guide to NHIs, the core programme challenge is not identity creation but privilege collapse. That means security teams should focus on removing unreachable access, not just cataloguing accounts. The practical signal is that control quality, not inventory volume, will become the metric that matters in board conversations.
For practitioners
- Implement continuous discovery for all NHI accounts Inventory service accounts, API keys, certificates, and workload identities across cloud, CI/CD, and application layers. Assign an owner and business purpose to each identity so no credential is left unmanaged.
- Reduce standing privilege in automation pipelines Replace broad, permanent permissions with task-scoped access and narrow role assignment. Review pipeline permissions for build, deploy, and secret-read actions separately, then remove anything not required for the task.
- Tie credential rotation to workload events Rotate secrets when applications are redeployed, decommissioned, or handed off, not only on a calendar. Use automated revocation for offboarding so credentials do not remain valid after ownership changes.
- Measure identity risk by blast radius Track how many systems each identity can reach, whether the credential is long-lived, and whether the account is visible in governance tooling. Use those three signals to prioritise remediation work.
- Use Zero Trust principles for non-human access Require explicit authentication, conditional authorisation, and continuous verification for service accounts and agents. Pair those controls with logging that can distinguish expected automation from abnormal use.
Key takeaways
- Identity security is the trust layer that determines whether every other control can actually work.
- Non-human identities expand the governance problem because they are more numerous, more persistent, and often less visible than people.
- Practitioners should prioritise discovery, rotation, privilege reduction, and offboarding as a single identity control loop.
Standards & Framework Alignment
This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.
OWASP Non-Human Identity Top 10 address the attack and risk surface, while NIST CSF 2.0 and NIST Zero Trust (SP 800-207) set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| OWASP Non-Human Identity Top 10 | NHI-03 | Identity sprawl and unmanaged credentials are central to this article. |
| NIST CSF 2.0 | PR.AC-1 | Identity proofing and access control support the article's identity-first strategy. |
| NIST Zero Trust (SP 800-207) | AC-4 | Continuous verification aligns with the article's emphasis on identity as the trust layer. |
Apply Zero Trust to service accounts by requiring continuous verification and explicit policy enforcement.
Key terms
- Non-Human Identity: A non-human identity is any machine or software identity that authenticates to systems and data, including service accounts, API keys, tokens, certificates, workloads, bots, and AI agents. These identities often have broad, long-lived access and require ownership, rotation, and revocation controls.
- Identity Blast Radius: Identity blast radius is the amount of systems, data, and processes that can be reached if one identity is compromised. It is a practical way to assess privilege risk because it combines reach, persistence, and the ability to move laterally through trusted access paths.
- Zero Standing Privilege: Zero Standing Privilege means no user or non-human identity keeps persistent access when it is not actively needed. Access is granted just in time for a task, then removed immediately, reducing the value of stolen credentials and limiting the damage from misuse.
- Identity Lifecycle Management: Identity lifecycle management is the process of creating, updating, reviewing, and removing identities and their access rights as systems and roles change. For NHI, it must include automated rotation, service offboarding, and revocation tied to workload events rather than only human HR processes.
Deepen your knowledge
Identity lifecycle governance, privilege reduction, and NHI visibility are core topics in our NHI Foundation Level course, the industry's only accredited NHI security programme. If you are building a programme from a human-centric IAM baseline, it is worth exploring.
This post draws on content published by CyberArk: Why identity security is essential to cybersecurity strategy. Read the original.
Published by the NHIMG editorial team on 2024-03-08.
NHI Mgmt Group — the independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org