Independent analysis by NHI Mgmt GroupSource article: Akeyless, “Secretless Adoption Principles and Best Practices” (October 31, 2025)

TL;DR: Akeyless says secretless adoption moves applications from stored credentials to identity-based, short-lived access, with a staged path from static secrets to dynamic secrets, SPIFFE-backed workload identity, and AI agent support. Governance shifts from reviewing what was issued to verifying what can be proven at runtime, because ephemeral access outpaces static review cycles.


At a glance

What this is: NHI Mgmt Group's analysis, drawing on Akeyless's blog post: Secretless adoption replaces exposed static credentials with identity-based, time-bound access for workloads and AI agents, while keeping secrets behind a control plane.

Why it matters: It matters because IAM and NHI teams must govern runtime trust, issuance, and revocation instead of assuming stored credentials can be safely reviewed into compliance.

👉 Read Akeyless's analysis of secretless adoption for workloads and AI agents


Context

Secretless access is a governance model for workloads, not a single product feature. It changes the control point from stored secrets to runtime identity proof, which means the security programme has to decide access when the request happens, not when the workload is provisioned.

The article frames this as an incremental journey from static secrets to rotated secrets, then dynamic secrets, and finally secretless operation with identity standards such as OIDC and SPIFFE. For IAM and NHI teams, the relevant question is not whether secrets disappear, but whether exposure, ownership, and revocation are still being managed as if they were long-lived.

The governance issue becomes sharper when AI agents enter the same access model. Once automated workloads can request resources directly, traditional review cadences, vault-centric controls, and human-paced approval loops no longer describe the actual risk boundary.


Key questions

Q: What breaks when workload access still depends on static secrets?

A: Static secrets create persistent access paths that outlive the workload, which makes compromise easier to exploit and harder to contain. The real failure is governance, because the environment assumes credentials can be tracked, rotated, and retired at the same pace as services. In cloud-native estates, that assumption is often false.

Q: Why do short-lived credentials not solve NHI risk by themselves?

A: Short-lived credentials only shrink the exposure window. They do not remove the underlying permissions attached to the service account, OAuth scope, or workload identity that issued them. If privilege remains broad, an attacker can still abuse fresh tokens repeatedly. Effective control requires both token expiry and scope reduction.

Q: How should security teams govern API access for AI agents and service accounts?

A: Security teams should treat API access as a governed identity path, not a transport detail. That means assigning ownership to each machine consumer, limiting scopes to specific tasks, enforcing token binding where possible, and maintaining audit logs that tie every call to an identity and policy decision.

Q: What is the difference between dynamic secrets and secretless access?

A: Dynamic secrets are temporary credentials that are created on demand and expire quickly, while secretless access goes further by preventing the workload from handling a usable secret at all. In practice, dynamic secrets are a transition stage, and secretless access is the state where identity-based authentication replaces secret distribution.


Technical breakdown

Static secrets versus dynamic secrets in workload access

Static secrets are credentials that stay valid until someone rotates or revokes them, which makes the attack window predictable and often too large for modern automation. Dynamic secrets change that by issuing short-lived credentials at request time, usually with a narrow scope and automatic expiry. The practical difference is not just shorter lifetimes. Dynamic issuance also shifts control to policy enforcement, so the system can bind access to a specific identity, target, and session instead of leaving reusable material in code, images, or environment variables.

Practical implication: treat every stored workload credential as a standing access path and move high-value services first to short-lived issuance.

How OIDC and SPIFFE remove the need to hand secrets to workloads

OIDC and SPIFFE both support identity-based authentication, but they do so for different parts of the runtime trust problem. OIDC is widely used to federate identity and exchange assertions for access, while SPIFFE provides a workload identity standard built for service-to-service authentication. In a secretless design, the workload proves who it is, the control plane verifies policy, and the target system receives a short-lived credential or identity assertion without the application ever handling a reusable secret. That is why secretless architectures can operate across cloud, Kubernetes, and on-premises environments without embedding credentials everywhere.

Practical implication: standardise workload authentication on federation or workload identity instead of distributing credentials to every runtime.

Why AI agents inherit the same non-human identity problems

AI agents are becoming another class of non-human identity because they need persistent, governed access to APIs, tools, and data sources. The risk is similar to other machine identities, but the governance pressure increases because agents may act across more systems, more quickly, and with less predictable runtime behaviour. If those agents are authenticated with static API keys or long-lived tokens, secretless principles are not being applied. The access model still depends on credentials that can be copied, reused, and abused outside the intended session boundary.

Practical implication: classify AI agents as governed non-human identities and avoid granting them reusable API keys or tokens.


Threat narrative

Attacker objective: The attacker objective is to reuse a leaked machine credential to reach connected systems without needing the original application or workflow context.

  1. Entry occurs when a workload, integration, or AI agent authenticates with a long-lived token, API key, or other reusable secret instead of a short-lived identity assertion.
  2. Credential exposure follows when the reusable secret is embedded in code, configuration, logs, or a third-party integration and can be replayed outside the intended session.
  3. Impact occurs when the exposed secret is used to access connected services without runtime verification, allowing access to persist beyond the original workflow boundary.
  • Hugging Face Spaces breach 2024: Unauthorised access to Hugging Face Spaces may have exposed secrets users stored for AI apps; tokens were revoked and org tokens removed.
  • Dropbox Sign breach 2024: A compromised back-end service account gave attackers Dropbox Sign customer data, including API keys, OAuth tokens and MFA information.

Read and download The State of NHI & AI Agent Breach Report 2026, covering 150+ breaches impacting Non-Human Identities including AI Agents.


NHI Mgmt Group analysis

Secretless adoption is really a control-plane shift, not a credential-format change. The article shows that the central issue is not whether credentials exist, but where identity is proven and who controls issuance. That makes the governance problem one of runtime trust, policy enforcement, and revocation authority, which is exactly where static-secrets programmes tend to go soft. Practitioners should read secretless as a governance redesign for non-human access, not as a vault feature.

Long-lived machine credentials are now the exception that breaks the control model. Static secrets, rotated secrets, and even many token-based patterns all preserve some form of reusable credential. The article’s staged model is useful because it shows why reduction in exposure is not the same as elimination of standing trust. For NHI governance, the decisive question is whether any credential can still be replayed outside the moment it was issued.

Secret zero remains the most important governance boundary in secretless architectures. The first trust decision is not about the target system, but about how the workload proves itself to the control plane before anything else is issued. That means the real control is upstream identity federation, not downstream secret storage. Practitioners should treat bootstrap trust as the part of the architecture that determines whether the whole model is defensible.

AI agents make identity lifecycle governance less tolerant of human-paced assumptions. When agents need API and data access at runtime, the governance model has to assume faster issuance, faster expiry, and a wider delegation chain than traditional workload programmes. That does not make them special cases. It means the same NHI discipline now has to cover decision-making systems that can request and consume access in the middle of execution.

Ephemeral credential trust debt: The article captures a familiar pattern in modern NHI programmes, where teams reduce visibility by shortening credential lifetime but still leave the trust model tied to a replayable secret. That debt shows up when access is technically temporary but operationally still reviewable only after the fact. Practitioners should interpret secretless maturity as the point where review moves to issuance, not after use.

From our research library:

What this signals

Secretless maturity is measured by where trust is established. If access is still granted because a workload presents a reusable token or key, the programme is not yet operating on a secretless model. The practical test is whether the control plane can verify identity and issue access without handing the application something it can replay later.

Workload identity becomes the anchor point for cross-environment governance. Cloud IAM roles, Kubernetes service accounts, and SPIFFE-style identities all shift the trust decision earlier in the transaction and reduce the need to move credentials around the environment. That gives identity teams a cleaner place to govern policy, but only if issuance and revocation remain centrally observable.

AI agents widen the scope of NHI governance. As agents request resources directly, access governance has to cover machine identity, approval boundaries, and revocation timing in one model. Reusable API keys are the clearest sign that the programme is still operating with a credential mindset rather than an identity mindset.


For practitioners

  • Inventory every static workload credential Map databases, cloud services, CI/CD systems, and service-to-service paths that still depend on hardcoded or long-lived secrets. Rank them by blast radius, external exposure, and ease of replacement so the highest-risk credentials are addressed first.
  • Move high-value integrations to dynamic issuance Replace reusable credentials with short-lived, just-in-time access for services that can tolerate runtime authentication and automatic expiry. Keep the issuance policy central so you can enforce scope, session duration, and revocation consistently.
  • Adopt workload identity federation Use OIDC, cloud IAM roles, or SPIFFE-based workload identity to let systems prove who they are before any secret is issued. That removes the need to distribute bootstrap credentials across every runtime.
  • Classify AI agents as governed NHIs Assign AI agents a distinct identity lifecycle, access scope, and revocation path instead of treating them as generic automation. Avoid static API keys and use time-bound access that can be traced to a specific runtime session.
  • Test revocation and expiry behavior Verify that issued credentials actually disappear when the session ends, the policy changes, or the workload identity is no longer valid. Audit logs should prove that access was granted and removed by the control plane, not left for later cleanup.

Key takeaways

  • Secretless access changes the security boundary from stored credentials to runtime identity verification, which is why it matters for both workloads and AI agents.
  • Static secrets and long-lived tokens still create replay risk, even when they are rotated or hidden behind a vault.
  • The governance priority is to prove bootstrap trust, issue short-lived access, and remove reusable credentials from the runtime path.

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 and MITRE ATT&CK address the attack and risk surface, while NIST SP 800-53 Rev 5 sets the governance and control requirements practitioners need to meet.

FrameworkControl / ReferenceRelevance
OWASP Non-Human Identity Top 10NHI-02 — Secret LeakageSecretless adoption is driven by the need to stop reusable workload secrets from being exposed.
NHI-07 — Long-Lived SecretsThe article contrasts static credentials with short-lived access as the core governance shift.
NHI-04 — Insecure AuthenticationSecretless access depends on proving workload identity correctly before any credential is issued.
Recommendation — Eliminate exposed workload secrets and move high-risk paths to runtime identity verification. Replace long-lived machine secrets with short-lived issuance and automatic expiry. Bind workload authentication to trusted identity federation before granting access.
NIST SP 800-53 Rev 5IA-9 — Service Identification and AuthenticationThe article centers on services, workloads, and APIs authenticating without exposing reusable secrets.
Recommendation — Apply IA-9 to authenticate services and workloads with time-bound identity assertions.
MITRE ATT&CKTA0006;TA0010 — Credential Access; ExfiltrationLeaked machine credentials can be replayed to reach connected systems and amplify impact.
Recommendation — Map reusable secret exposure to TA0006 and TA0010 when hunting for replayable access paths.

Key terms

  • Secretless Access: Secretless access is a pattern where workloads authenticate and receive access without relying on long-lived embedded credentials. It typically uses runtime identity verification, federation, and short-lived authorization decisions. The goal is to reduce exposure from hardcoded or reusable secrets while keeping machine-to-machine access functional.
  • Dynamic Secret: A secret generated on-demand for a specific task and automatically revoked after use or expiry. Dynamic secrets dramatically reduce the risk of credential exposure compared to static, long-lived secrets and are considered best practice.
  • Secret Zero: Secret zero is the first credential needed to reach a secrets store, identity broker, or protected system. It is the root trust dependency that often survives even when everything else is rotated. If that initial credential is exposed, the rest of the secret model can collapse very quickly.
  • Workload Identity: The identity assigned to a software workload, such as a containerised application, serverless function, or microservice, enabling it to authenticate to other services without storing static credentials.

What's in the full article

Akeyless's full article covers the operational detail this post intentionally leaves for the source:

  • The staged secretless adoption model from static secrets through rotated and dynamic secrets to full identity-based access
  • The control-plane workflow for Secret Zero, including how workloads authenticate before any credential is issued
  • The SPIFFE and OIDC integration details behind workload identity federation across cloud, Kubernetes, and on-premises systems
  • The AI-agent access pattern that extends secretless principles to non-human identities without exposing reusable API keys

👉 The full Akeyless article covers the staged adoption model, Secret Zero workflow, and AI-agent access pattern in more detail.

Deepen your knowledge

NHI governance, agentic AI identity, and machine identity lifecycle are core topics in our NHI Foundation Level course, the industry's only accredited NHI security programme. If you are responsible for identity security strategy or NHI governance in your organisation, it is worth exploring.
NHIMG Editorial Note
Published by the NHIMG editorial team on June 24, 2026.
Updated on October 7, 2026.
NHI Mgmt Group, the independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org