# Ghost Credentials: Hidden Cloud Attack Paths

> The unmanaged proliferation of non-human identities creates new attack paths in cloud environments — forgotten credentials become the quietest entry point for attackers.

**URL:** https://www.ciptadusa.com/blog/ghost-credentials-cloud-attack-path-20260729  
**Type:** blog  
**Author:** PT Cipta Dua Saudara  
**Category:** Application Security  
**Published:** 2026-07-29  
**Cover:** https://cdn-uagents.enitip.com/uploads/blog/2026-07/daily-appsec-20260729-014727.jpg  

## Article

Every time an engineering team deploys a new microservice, a non-human identity is born alongside it — a service account, API key, OAuth token, or machine credential. Most are never rotated, never audited, and never decommissioned.

## Summary

The unmanaged proliferation of non-human identities creates new attack paths in cloud environments — forgotten credentials become the quietest entry point for attackers.

## The Challenge

In modern enterprise cloud environments, non-human identities (NHIs) can outnumber human identities by a factor of **45 to 1**. Every container, CI/CD pipeline, and SaaS integration needs its own credentials.

What makes this problem unique:

**Ghost credentials** — credentials that remain active but are no longer tied to a running workload. Service accounts from discontinued projects. API keys from vendor integrations whose contracts ended. OAuth tokens from employees who left, but whose machine-to-machine tokens live on.

Unlike user accounts that have offboarding processes, non-human identities rarely have clear lifecycle management. There is no HR trigger for deprovisioning when a microservice is decommissioned.

## Approach

Organizations beginning to address this problem are adopting three strategies:

**Inventory-first visibility** — mapping all active NHIs across every cloud account and SaaS tenant. Without a complete inventory, no one knows how many ghost credentials are lurking.

**Just-in-time provisioning** — replacing long-lived credentials with short-lived tokens that expire automatically. AWS IAM Roles Anywhere and Azure Managed Identities are becoming the new standard, but adoption remains slow in legacy systems.

**Behavioral baselining** — using normal access patterns as a baseline, then detecting anomalies. A service account that normally only accesses a specific S3 bucket suddenly performing `ListUsers` on IAM — that is the signal.

The biggest challenge is not technology but ownership. Who is responsible for a service account created three teams and two reorganizations ago?

## References

- [Ghost Credentials Expose Cloud Systems to Hidden Identity Risks — Dark Reading](https://www.darkreading.com/cloud-security/non-human-identity-sprawl-creates-a-new-cloud-attack-path)
- [Non-Human Identity Security — CSA Cloud Security Alliance](https://cloudsecurityalliance.org/research/topics/identity-management)
- [OWASP Non-Human Identity Top 10](https://owasp.org/www-project-non-human-identity-top-10/)

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*Markdown version of https://www.ciptadusa.com/blog/ghost-credentials-cloud-attack-path-20260729 — generated for AI agents and LLM crawlers.*