TL;DR: Akeyless shows that certificate lifecycle management is shifting from a renewal task to a trust control problem as shorter certificate lifespans, manual handling errors and weak visibility increase outage and audit risk. The control point is moving from expiry management to lifecycle automation across discovery, revocation and deployment.
At a glance
What this is: NHI Mgmt Group's analysis, drawing on Akeyless's blog post: Certificate lifecycle management has become a trust-control issue because shorter validity periods, manual renewals and poor discovery turn certificates into operational and security risk.
Why it matters: For IAM and NHI practitioners, the key question is no longer whether certificates exist, but whether their discovery, rotation and revocation are governed tightly enough to keep machine trust intact.
By the numbers:
- Only 20% have formal processes for offboarding and revoking API keys, and even fewer have procedures for rotating them, according to the Ultimate Guide to NHIs.
- Only 5.7% of organisations have full visibility into their service accounts, according to the Ultimate Guide to NHIs.
👉 Read Akeyless's analysis of certificate lifecycle management as a trust control problem
Context
Certificate lifecycle management is the discipline of discovering, issuing, storing, deploying, renewing and revoking digital certificates. In this article, the problem is that certificate trust now depends on keeping pace with shorter validity windows and reducing the error rate of manual processes.
That matters to NHI governance because certificates are machine credentials, not just encryption artefacts. When discovery is incomplete or revocation is slow, organisations lose visibility into where trust exists and where it has silently drifted beyond policy.
The article’s core claim is that manual certificate handling no longer scales with modern infrastructure, especially across APIs, Kubernetes and hybrid environments. The typical starting position for this problem is increasingly typical, not exceptional.
Key questions
Q: What breaks when certificate lifecycle management is still manual?
A: Manual certificate management breaks at the point where expiry, ownership, and renewal do not line up. Services fail when a certificate expires, teams lose visibility when ownership is fragmented, and outage response becomes reactive instead of governed. The result is avoidable downtime, repeated exceptions, and an estate that grows faster than the people managing it.
Q: Why do shorter certificate lifespans force automation?
A: Shorter certificate lifespans compress the time available to issue, deploy, validate and revoke certificates. Human workflows cannot reliably keep pace when renewal cycles shrink, especially across distributed infrastructure. Automation becomes necessary because it reduces missed handoffs, keeps trust state current and limits the chance that expired certificates will break services or remain trusted beyond policy.
Q: How should teams decide whether certificate visibility is good enough?
A: Visibility is good enough only when teams can account for every active certificate, its owner, its deployment location and its expiry status. If certificates are still found ad hoc during incidents or audits, the programme is not seeing the full trust estate. Discovery must be continuous, not occasional, because unmanaged certificates are effectively unmanaged identity.
Q: What is the difference between certificate expiry and revocation?
A: Expiry ends trust automatically at a scheduled date, while revocation removes trust early because the certificate is no longer safe or appropriate to use. Expiry is time-based, but revocation is event-based and should happen when compromise, reassignment, or policy violation occurs. Both matter because a certificate can be current and still be wrong.
Technical breakdown
Why manual certificate renewal fails at shorter validity windows
Certificate lifecycle management used to tolerate slower operational cycles because certificates lived long enough for periodic handling. That assumption is breaking as validity windows shrink, because the time between issuance and renewal becomes too short for human-driven workflows to remain reliable. Expiry is only the visible failure point. The deeper issue is that every missed handoff in discovery, renewal, deployment or revocation creates a trust gap that is hard to see until service disruption or validation failure occurs. In practice, the operational model matters more than the cryptographic primitive. If certificate state is not continuously tracked, the programme cannot keep pace with the trust model it is supposed to maintain.
Practical implication: treat certificate renewal as a continuous lifecycle workflow, not a calendar reminder.
Discovery, storage and revocation as one control plane
A certificate management system is only as strong as its inventory, storage and revocation discipline. Discovery finds certificates that teams forgot, storage provides accountability for what exists, and revocation removes trust when certificates are compromised, replaced or no longer needed. These are not separate tasks in practice. They form a control plane for machine trust, because an undiscovered certificate is effectively unmanaged and an unrevoked certificate remains valid long after its intended use. The article’s emphasis on centralized visibility is important because certificate sprawl produces blind spots that manual teams rarely close quickly enough.
Practical implication: unify inventory, storage and revocation so one trust state cannot outlive the others.
Why certificates are identity controls, not just infrastructure dependencies
Digital certificates act as machine identities in the same way human credentials identify users. They authenticate devices, servers, APIs and services, and they establish whether communication should be trusted at all. That is why certificate lifecycle management belongs in identity governance, not just infrastructure operations. When certificates are missed, duplicated or left in place after system change, the result is not only downtime. It is also unauthorised trust persistence, where old identity bindings continue to operate after the context that justified them has changed. This is the governance problem hidden inside what many teams still treat as a maintenance task.
Practical implication: govern certificates as identity objects with ownership, lifecycle state and explicit revocation criteria.
Threat narrative
Attacker objective: The attacker or failure condition is to exploit lingering certificate trust so systems accept connections that should no longer be authorised.
- Entry occurs when expired, forgotten or shadow certificates remain deployed because discovery and inventory are incomplete.
- Credential abuse follows when a valid certificate continues to establish trust despite being compromised, stale or no longer intended for use.
- Impact appears as outage, failed HTTPS validation, broken APIs or weakened trust boundaries that can support man-in-the-middle abuse.
Breaches seen in the wild
- Dropbox Sign breach 2024: A compromised back-end service account gave attackers Dropbox Sign customer data, including API keys, OAuth tokens and MFA information.
- Salesloft OAuth token breach: hackers stole OAuth tokens to access Salesforce data via Salesloft.
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
Certificate lifecycle management is no longer a maintenance function; it is a machine trust control. The article shows that shorter validity periods and operational sprawl have pushed certificates into the same governance category as other non-human credentials. When certificates authenticate services, APIs and infrastructure, lifecycle failure becomes an identity failure. Practitioners should therefore manage certificates as trust-bearing identities with ownership, inventory and revocation discipline.
The new failure mode is trust persistence after operational context has changed. A certificate may still validate even when the system, team or use case that relied on it has moved on. That creates a governance gap that manual review cycles are poorly suited to catch, especially when discovery is incomplete. The implication is that lifecycle governance must be measured by current trust state, not by whether a certificate once passed issuance checks.
Certificate visibility is now a precondition for auditability. The article’s emphasis on centralized repositories and health monitoring reflects a basic governance truth: you cannot certify what you cannot find. This is especially relevant in hybrid and Kubernetes-heavy estates where certificates multiply quickly across endpoints. Practitioners should treat undiscovered certificates as unmanaged risk, not as an inventory nuisance.
Shorter certificate validity compresses the margin for human error. As validity windows tighten, the control design itself has to absorb more of the workload that used to sit with operators. That shift validates automation for discovery, renewal and revocation, but it also exposes organisations that still rely on periodic manual checks. The governance challenge is not simply automation adoption; it is whether the programme can sustain continuous trust.
Trust control drift: certificate management fails when the trust lifetime of the credential outlasts the governance window used to manage it. This article makes that drift visible through outage risk, audit gaps and delayed revocation. For practitioners, the implication is to align ownership, inventory and renewal timing to the actual pace of infrastructure change.
From our research library:
- 91.6% of secrets remain valid five days after the targeted organisation is notified, showing a critical gap in remediation procedures, according to the Ultimate Guide to NHIs.
- 64% of valid secrets leaked in 2022 are still valid and exploitable today, proving that detection alone is not enough without automated revocation, according to the State of Secrets Sprawl 2026.
- Read next: NHI Lifecycle Management Guide
What this signals
Trust control drift: certificate governance now has to be judged by whether trust expires on schedule, not by whether a certificate was once issued correctly. As validity windows shrink, the gap between issuance and revocation becomes the real control boundary, and teams need lifecycle oversight that follows the credential through every state change.
Manual handling will keep failing where certificate estates span APIs, Kubernetes and hybrid infrastructure because the programme cannot see what it does not inventory. Discovery and revocation need to sit in the same operational loop, or the environment will continue to accumulate trust it can no longer explain.
For practitioners
- Implement continuous certificate discovery Build a complete inventory of certificates across Linux, Windows, Kubernetes and public-facing services so expired or forgotten assets do not remain outside governance.
- Automate renewal and deployment Replace manual certificate renewals with automated issuance, CSR generation, deployment and replacement to reduce missed deadlines and configuration errors.
- Tie revocation to lifecycle ownership Assign clear owners for certificate revocation so compromise, system retirement or trust changes trigger removal of validity instead of leaving old certificates active.
- Centralise audit visibility Maintain a single repository that shows certificate health, expiry status and deployment location so compliance reviews can verify the full trust estate.
Key takeaways
- Certificate lifecycle management has become an identity governance problem because certificates function as machine trust credentials, not just encryption artefacts.
- The article links shorter validity periods, manual handling and poor visibility to outages, audit gaps and lingering trust exposure across hybrid environments.
- Practitioners need continuous discovery, automated renewal and explicit revocation ownership if they want certificate trust to stay aligned with operational reality.
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-01 — Improper Offboarding | Stale certificates remain trusted when they are not revoked or retired on time. |
| NHI-02 — Secret Leakage | Certificates and private keys become exposed credentials when discovery and storage are weak. | |
| NHI-07 — Long-Lived Secrets | The article centres on shrinking certificate lifespans and the need to avoid long-lived trust artefacts. | |
| Recommendation — Track certificate retirement as an offboarding event and revoke trust when the asset or use case ends. Scan for exposed certificate material and remove any leaked private keys from active trust paths. Shorten certificate TTLs and automate renewal before long-lived credentials create trust drift. | ||
| NIST SP 800-53 Rev 5 | IA-5 — Authenticator Management | Certificates are authenticators whose lifecycle must be managed across issuance, renewal and revocation. |
| Recommendation — Apply IA-5 to govern certificate issuance, renewal and revocation with clear ownership. | ||
| MITRE ATT&CK | TA0006;TA0040 — Credential Access; Impact | Compromised or stale certificates enable credential abuse and can culminate in service disruption or MITM impact. |
| Recommendation — Map certificate exposure to TA0006 and TA0040 to prioritise estates with the highest trust and outage risk. | ||
Key terms
- Certificate Lifecycle Management: The governance of digital certificates from issuance through renewal and revocation, ensuring certificates are valid, monitored, and rotated before expiry. Expired certificates are a leading cause of outages and unplanned security gaps.
- Digital certificate: A cryptographic credential issued for a defined period that can be used to prove identity during authentication. It supports stronger, time-bound access control, but only when issuance, renewal, and revocation are managed as part of the identity lifecycle.
- Certificate Revocation List: A Certificate Revocation List is a signed publication from a certificate authority that lists certificates that are no longer trusted before their natural expiry. It is used by relying systems to confirm current status, and it becomes operationally useful only when the list is reachable, current, and readable by the consuming toolchain.
- Certificate Discovery: Certificate discovery is the process of locating certificates already deployed across hosts, ports, DNS names, and services. It is the inventory foundation for lifecycle control because unmanaged certificates cannot be renewed, revoked, or audited reliably.
What's in the full article
Akeyless' full article covers the operational detail this post intentionally leaves for the source:
- Step-by-step certificate discovery and renewal workflow across Linux, Windows and Kubernetes
- Operational discussion of private CA and PKI as a service for internal trust relationships
- How automated expiration alerts and deployment reduce outages in manual certificate processes
- Context on the CA/Browser Forum 47-day certificate roadmap and what it means for automation
Deepen your knowledge
NHI governance, machine identity security, and secrets management 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 June 23, 2026.
Updated on October 7, 2026.
NHI Mgmt Group, the independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org