Identity Chronicle – Deep Dive: Unmanaged SSH Keys Exposing Privileged Access Gaps

Customer Requirement:

A leading enterprise with a mature PAM deployment (covering 95% of infrastructure) began expanding its Privileged Access Management (PAM) program to cover business application accounts. While core system and infrastructure-layer accounts are already vaulted and session-managed, a massive blind spot emerged: unmanaged SSH keys.

A DNS-based scan discovered thousands of SSH keys — many granting root-level access — but not onboarded into the PAM tool due to license constraints or process gaps.

The catch

  • SSH keys are used widely for OS-level and application accounts.
  • Many keys are 6–8 years old, with no rotation policy in place.
  • Application teams create SSH keys during server provisioning with no central governance.
  • Audit logs are missing for 180+ days — indicating unauthorized or unmonitored access.
  • Key-to-owner mapping is unclear, raising the risk of orphaned or backdoor access.

Despite privileged accounts being governed, the credentials enabling access (SSH keys) remain a shadow risk vector.

🛠 How BAAR-IGA Helped

🔗 Continuous Monitoring Across HR, AD, and Applications

BAAR-IGA was deployed alongside the PAM tool—not to replace it, but to extend governance to SSH keys. Within days, it delivered measurable results:

  • SSH Key Discovery
     Identified and inventoried 6,200 SSH keys across Unix and Windows systems
  • Key Ownership Mapping
     Correlated SSH keys to user identities and service owners using behavioral and metadata analysis
  • Lifecycle Policy Enforcement
     Enforced SSH key expiry and rotation every 90 days through policy automation
  • Orphaned Key Detection
     Flagged over 1,300 SSH keys with no associated account activity for more than 6 months
  • Access Reviews
     Launched an SSH key-based access certification campaign with business owners
  • Provisioning Controls
    Integrated with CI/CD pipelines to block unauthorized key creation during provisioning

✅ The Outcome

  • Visibility and control restored across all unmanaged SSH credentials
  • Risk of backdoor access closed
  • Audit-readiness improved through full logging and ownership attribution
  • The organization now treats SSH keys as first-class access objects — just like passwords or tokens

🧠 Takeaway

SSH keys are often overlooked in PAM programs — but they grant direct, privileged access. With PAM managing accounts, BAAR-IGA closes the SSH key governance gap through discovery, policy enforcement, and lifecycle control. It brings SSH-based access under centralized, identity-centric governance — cost-effectively and at scale.

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