NHI Forum
Read full article from CyberArk here: https://www.cyberark.com/resources/all-blog-posts/the-invisible-threat-machine-identity-sprawl-and-expired-certificates/?utm_source=nhimg
Machine identity sprawl has quietly become one of the biggest hidden risks to enterprise security, resilience, and compliance. Every TLS certificate, SSH key, code signing certificate, or API secret is a potential point of failure and with machine identities now outnumbering human identities 82:1, the scale is unmanageable without automation.
The fallout is real. Eighty-three percent of organizations have experienced certificate-related outages in the past two years, and high-profile brands have lost millions due to expired renewals. Shorter certificate lifespans, cloud-native expansion, and the rise of AI agents are amplifying the problem, turning unmanaged machine identities into ticking time bombs.
Why this matters:
- Business continuity risk - Expired or misconfigured certificates can halt digital services, APIs, and transactions in seconds.
- Compliance exposure - Untracked credentials increase the risk of GDPR, HIPAA, and PCI DSS violations.
- Reputation loss - Outages erode digital trust, driving customers to competitors.
- Security gaps - Forgotten SSH keys and stale secrets become prime entry points for attackers.
Key drivers of sprawl:
- Explosive growth of apps, APIs, workloads, and AI agents creating thousands of new identities.
- Shrinking certificate lifespans, now measured in weeks instead of years.
- Multi-cloud complexity and evolving cryptographic standards (including PQC).
The path forward
Enterprises must replace manual tracking with automated certificate lifecycle management backed by clear governance policies. Automated discovery, renewal, and rotation eliminate blind spots, reduce outages, and enforce compliance consistently across hybrid and multi-cloud environments.
The opportunity
With the right strategy, machine identity security evolves from a hidden liability to a strategic advantage. Proactive organizations gain resilience, strengthen compliance posture, and secure the trust needed to scale digital transformation safely.
Bottom line
Invisible complexity doesn’t have to be your downfall. By adopting automation and policy-driven governance for certificates, SSH keys, code signing certs, and secrets, enterprises can turn machine identity sprawl into a foundation of security, continuity, and digital trust.