TL;DR: Financial services now depend on service accounts, APIs, bots, and machine-learning processes, but traditional IAM built for humans is not designed to manage that scale or lifecycle, according to Oasis Security. In practice, visibility, secret rotation, and least privilege have become the controls that determine whether NHIs stay governable or turn into a breach path.
Editorial analysis by NHI Mgmt Group, based on content published by Oasis Security: “Securing Non Human Identities for Financial Services”.
Key questions
Q: What breaks when non-human identities are not governed like human accounts?
A: Service accounts, API keys, tokens, and AI agents can retain access long after the original task ends because they do not naturally pass through joiner-mover-leaver processes.
Q: Why do unrotated NHI secrets increase breach risk in financial services?
A: Unrotated secrets expand the exposure window for any credential copied from code, logs, pipelines, or configuration stores.
Q: How can organisations tell whether NHI governance is actually working?
A: NHI governance is working when every machine identity has an owner, a purpose, a minimum-necessary entitlement, and evidence of rotation and review.
Practitioner guidance
- Map every non-human identity to an owner Build an authoritative inventory of service accounts, API keys, bots, and machine-learning process identities across cloud, on-premises, and hybrid environments.
- Automate secret rotation for machine credentials Set rotation policies for credentials that support NHIs, especially where tokens or keys are used in long-running financial workflows.
- Reduce privileges to the narrowest workload function Review entitlements for every NHI and remove access that is not needed for the identity’s actual process.
Bottom line: Financial services face a governance mismatch when machine identities are managed with controls designed for human users.
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Financial services now need lifecycle governance for NHIs, not just stronger access controls. Service accounts, APIs, bots, and machine-learning processes operate at a scale that human IAM was never designed to absorb. The governance gap is not visibility alone, but the absence of lifecycle ownership from creation through retirement. Practitioners should treat NHI lifecycle management as a core identity control plane, not an operational side task.
A few things that frame the scale:
- 80% of identity breaches involved compromised non-human identities such as service accounts and API keys, 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.
A question worth separating out:
Q: Should financial institutions prioritise visibility or least privilege first for NHIs?
A: Start with visibility, because you cannot reduce risk in identities you cannot see. Once the inventory is reliable, least privilege becomes enforceable and rotation becomes measurable. In practice, the two controls reinforce each other, but discovery has to come before effective scoping.
👉 Read our full editorial: Securing non-human identities in financial services needs lifecycle control