TL;DR: The core issue is not secret storage alone but the revocation gap and credential sprawl that emerge when applications hold reusable access; credential vending and C1 Egress eliminate hardcoded secrets by issuing scoped, time-bound credentials and keeping the real secret out of the application path, which reduces exposure and speeds revocation, according to C1.ai.
At a glance
What this is: C1.ai is describing a model where applications receive scoped credentials on demand and the real secret stays out of the workload path.
Why it matters: This matters because IAM and NHI teams need controls that shrink secret exposure, make revocation immediate, and prevent application code from becoming the credential vault.
👉 Read C1.ai's press release on credential vending and C1 Egress
Context
Applications become harder to govern when the credential itself is copied into code, configuration, or runtime memory. Once that happens, the access path is no longer limited to one system or one owner, and revocation becomes a search problem instead of a control action.
For NHI programmes, this is a lifecycle problem as much as a secrets problem. The key question is whether the application ever needs to hold the secret at all, or whether access can be issued, mediated, and revoked without exposing reusable credentials to the workload.
Key questions
Q: What breaks when hardcoded credentials are left in code or configuration files?
A: Hardcoded credentials break the assumption that access can be rotated, revoked, and audited on demand. Once a secret is embedded in code or config, it is easy to copy, hard to trace, and often reused across environments. That turns a single secret into a durable access path that is difficult to contain after exposure.
Q: Why do hardcoded credentials create more risk than many teams expect?
A: Hardcoded credentials create risk because they are easy to copy, hard to inventory, and often survive long after the system that used them changes. Once embedded in code or scripts, they can be reused outside intended scope and are difficult to revoke everywhere at once. That makes the real problem lifecycle persistence, not just initial exposure.
Q: What are the signs that a machine credential lifecycle is failing?
A: Look for secrets in source repositories, container images, environment variables, and agent contexts, especially when revocation requires redeployment. Those signals show the credential is behaving like embedded infrastructure rather than a governed identity object. In mature NHI governance, access should be traceable and removable without hunting through build artefacts.
Q: How should teams govern application access without exposing the real secret?
A: Use a mediated access path where a proxy or vault issues the credential only for approved destinations and logs each decision. That approach keeps the application from handling the secret directly, which reduces leakage surface and makes policy enforcement independent of application code quality.
How it works in practice
Credential vending for applications
Credential vending is a governed issuance pattern in which a workload receives access tokens or credentials only for the role it needs, for the time it needs them. Instead of embedding a reusable secret in a config file or environment variable, the system mints access centrally, scopes it, tracks it, and can revoke it without waiting for the application to redeploy. That changes the control point from static secret distribution to runtime authorisation. In NHI terms, the workload never becomes the holder of a long-lived secret, which reduces both leakage surface and offboarding complexity.
Practical implication: treat credential issuance as a runtime control, not a deployment step, and require scoped, auditable minting for every application credential.
Egress proxy enforcement and secret substitution
A governed egress proxy moves enforcement outside the application so the workload never directly handles the real secret. The proxy substitutes the credential only when the destination is permitted, and it can block internal addresses or cloud metadata endpoints by policy. Because the decision is made at the network layer, application code cannot simply route around the control. This is important for workloads and AI applications because secrets often leak through context windows, logs, or misrouted requests, and application-level discipline alone does not prevent that.
Practical implication: place secret substitution and outbound policy enforcement outside the workload so the application cannot bypass the control path.
Why the revocation gap matters for NHI governance
The revocation gap is the delay between deciding to disable access and actually removing every usable copy of the credential. When a secret is hardcoded or duplicated across files, images, and agent context, revocation becomes operationally fragile because the secret survives in too many places. That is an NHI governance failure, not just a hygiene issue: the access object outlives the intended trust relationship. Short-lived, centrally issued credentials plus auditable use reduce that gap by making the credential disposable instead of persistent.
Practical implication: classify any credential that cannot be revoked on the next use as a governance defect and prioritise it for lifecycle redesign.
NHI Mgmt Group analysis
Credential vending shifts the control boundary from secret possession to secret issuance. That is the real governance change here. When applications do not hold reusable credentials, the programme can measure who minted access, what it can do, and when it was last used. For NHI teams, that is a materially better control model than trying to discover copies after the fact.
The revocation gap is the failure mode this launch is trying to remove. Hardcoded or duplicated secrets turn offboarding into a scavenger hunt across code, containers, logs, and agent memory. The problem is not only leakage, but persistence after intent changes. The implication is that identity governance has to treat secret portability as a lifecycle defect, not a deployment inconvenience.
Safe-by-default application access is becoming a category expectation for NHI governance. Applications are being created faster than builders can be trained to manage secrets correctly, so controls that depend on developer discipline will continue to fail at scale. The field is moving toward mediated access paths, auditability, and runtime policy enforcement because those are the only controls that survive modern application velocity.
Secret substitution at the network layer creates a more durable enforcement point than application code. Once the credential is held outside the workload, the trust model no longer depends on every app behaving perfectly. That matters for cloud workloads, AI-assisted applications, and delegated access patterns alike. Practitioners should treat externalised enforcement as the baseline for any secret-bearing workload.
Scoped, time-bound, logged credentials are becoming the minimum viable pattern for governed machine access. The article reinforces a simple but important shift: access should be answerable, reviewable, and revocable without redeploying the application. That is where NHI governance is heading, and teams that still equate access control with secret distribution are already behind.
From our research library:
- AI-related credential leaks surged 81.5% year-over-year in 2025, with the surrounding AI infrastructure leaking 5x faster than core LLM providers, according to the State of Secrets Sprawl 2026.
- Read next: LLM Provider API Key Security and LLMjacking Guide
What this signals
Credential vending changes NHI governance from secret distribution to access mediation. That shift matters because programmes built around static secrets will keep losing ground to workload sprawl, container churn, and AI-assisted application development. The stronger model is one where the workload receives only the access required for the current transaction, not a credential it can reuse later.
Hardcoded secrets are becoming a structural risk, not an implementation mistake. As more applications are created by non-specialists, the gap between secure intent and actual secret handling widens. Teams should assume that developers will miss edge cases and design controls that keep credentials out of the application path by default.
Revocation must be observable at runtime, not inferred from a redeploy. When access can be disabled on the next call, incident response becomes materially faster and the governance model becomes testable. That is the practical threshold practitioners should use when deciding whether a secret is actually under control.
For practitioners
- Implement runtime credential vending Issue application access only at execution time, scope it to the role and network conditions required, and log each mint, use, and revocation.
- Remove hardcoded secrets from application paths Scan source, images, config files, and agent context for embedded credentials and replace them with centrally mediated access.
- Externalise secret handling from the workload Place secret substitution and outbound policy enforcement in a proxy or gateway so the application never stores the real credential.
- Treat revocation as a next-call control Verify that disabling a credential takes effect on the next request, not after a redeploy, and flag any workload that cannot meet that requirement.
Key takeaways
- Applications that hold reusable secrets create a revocation problem because access can persist in code, images, logs, and runtime memory long after intent changes.
- The most useful control shift is from secret possession inside the workload to governed issuance and external enforcement around the workload.
- Practitioners should require credentials that can be revoked on the next call, not only after a redeploy or manual cleanup.
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.
| Framework | Control / Reference | Relevance |
|---|---|---|
| OWASP Non-Human Identity Top 10 | NHI-02 — Secret Leakage | The article centres on eliminating exposed secrets from application paths and runtime copies. |
| NHI-05 — Overprivileged NHI | Scoped issuance and role pinning directly address excessive machine access. | |
| NHI-07 — Long-Lived Secrets | The launch is explicitly positioned as a response to the revocation gap caused by persistent credentials. | |
| Recommendation — Eliminate secret leakage by removing reusable credentials from code, images, logs, and agent contexts. Constrain workload credentials to the minimum role and network scope needed for the task. Replace long-lived secrets with short-lived, centrally issued credentials that can be revoked immediately. | ||
| NIST SP 800-53 Rev 5 | IA-5 — Authenticator Management | Credential vending and revocation map directly to authenticator lifecycle management. |
| Recommendation — Apply authenticator management controls to issue, rotate, and revoke application credentials on demand. | ||
| MITRE ATT&CK | TA0006;TA0010 — Credential Access; Exfiltration | The article addresses reducing attacker access to secrets and the ability to steal them from workloads. |
| Recommendation — Map exposed secrets to credential-access paths and reduce exfiltration opportunities in workload environments. | ||
Key terms
- Credential Vending: Credential vending is the process of issuing temporary access credentials at runtime instead of relying on long-lived secrets. In Lake Formation workflows, it supports short-lived, job-scoped access to governed data, reducing the blast radius of credential exposure and aligning access with the duration of the workload.
- Egress Proxy: An egress proxy is a traffic control point that intercepts outbound connections and enforces policy before requests leave the environment. For agentic systems, it provides both prevention and visibility, letting teams block unapproved destinations while recording attempted connections for audit and investigation.
- Revocation Gap: The revocation gap is the delay between deciding to remove access and fully eliminating all usable copies of the credential. It grows when secrets are hardcoded, duplicated, or cached across systems, and it is a major failure mode in machine identity governance.
- Scoped Credential: A scoped credential is a secret, token, or certificate that can only perform a narrow set of actions for a limited time or workflow. For NHI governance, scoped credentials reduce blast radius by preventing an agent from reusing broad access across unrelated systems or tasks.
What's in the full announcement
C1.ai's full press release covers the operational detail this post intentionally leaves for the source:
- The exact launch framing for credential vending and C1 Egress, including how the two controls work together.
- The vendor's description of scoped issuance, audit logging, and revocation behaviour at the request level.
- The policy examples for blocked internal addresses and cloud metadata endpoints.
- The launch-week context and surrounding platform announcements mentioned in the release.
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 building or maturing an IAM programme, it is worth exploring.
Published by the NHIMG editorial team on September 30, 2026.
NHI Mgmt Group, the independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org